what is the answer of 3/7+5/7
a.1 1/7
b.1 2/7
c.1 3/7
d.1 4/7 pa help po please tysm po☺️
a.1 1/7
b.1 2/7
c.1 3/7
d.1 4/7 pa help po please tysm po☺️
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Answer:
3/5 + 2/7 = (3 * 7 + 2 * 5)/35 [LCM (7, 5) = 35]
= (21 + 10)/35
= 31/35
(iv) 9/11 – 4/15 = (9 * 15 – 4 * 11)/165 [LCM (11, 15) = 165]
= (135 - 44)/165
= 91/165
(v) 7/10 + 2/5 + 3/2 = (7 * 1 + 2 * 2 + 3 * 5)/10
= (7 + 4 + 15)/10
= 26/10 [26 and 10 are divided by 2]
= 13/5
= 2