STD 5 S/STUDIESJune 22, 2020S/STUDIES 6.June 23, 2020 0 STD 5 MATHEMATICS Welcome to your STD 5 MATHEMATICS Name Class Phone MATHEMATICS CLASS 5 FRACTIONS Addition of fractions using L.C.M Example 21/4 + 52/3= Add the whole numbers 2 and 5 to get 2+5= 7. Find the L.C.M of the denominators 4 and 3 . 2 4 3 2 2 3 3 1 3 1 1 The L.C.M of 4 and 3 is 2 ×2×3= 12 Add the fractions using the L.C.M 1/4+2/3 =3+8/12 Divide 12 by the denominator 4 12/4 =3 multiply 3 by the numerator 1 to get 3×1=3 Divide 12 by the denominator 3 12/3= 4 . Multiply 4 by the numerator 2 to get 4×2= 8 Add the fractions 3+8/12=11/12 Add the whole number to the fraction 7+11/12=711/12 WORK TO DO 32/3 +11/4 = 2 5/12 4 11/12 2 3/12 None 20. 73/8 +44/8 = 11 7/8 11 1/8 3 7/8 None 31/6+ 71/3 = 10 10 1/2 10 1/3 None 21/4 + 31/2 = 5 1/4 1 3/4 5 3/4 None 32/3 + 31/8 = 6 19/24 6 9/24 6 3/11 None Time's up Wanto Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ
