Add 90/35 and 7/72, Solve 2 20/35 + 7/72 as a fraction

Add 90/35 and 7/72

1^st number: 2 20/35, 2^nd number: 7/72

90/35 + 7/72 is 1345/504.

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,
90/35 = 90 × 72/35 × 72 = 6480/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
7/72 = 7 × 35/72 × 35 = 245/2520
Add the two like fractions:
6480/2520 + 245/2520 = 6480 + 245/2520 = 6725/2520
6725/2520 simplified gives 1345/504
So, 90/35 + 7/72 = 1345/504
In mixed form: 2337/504

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