Add 70/35 and 21/72, Solve 2 0/35 + 21/72 as a fraction

Add 70/35 and 21/72

1^st number: 2 0/35, 2^nd number: 21/72

70/35 + 21/72 is 55/24.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 35 × 72 = 2520,
70/35 = 70 × 72/35 × 72 = 5040/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
21/72 = 21 × 35/72 × 35 = 735/2520
Add the two like fractions:
5040/2520 + 735/2520 = 5040 + 735/2520 = 5775/2520
5775/2520 simplified gives 55/24
So, 70/35 + 21/72 = 55/24
In mixed form: 27/24

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