Add 72/35 and 20/63
1st number: 2 2/35, 2nd number: 20/63
72/35 + 20/63 is 748/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
72/35 = 72 × 9/35 × 9 = 648/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Add the two like fractions:
648/315 + 100/315 = 648 + 100/315 = 748/315 - So, 72/35 + 20/63 = 748/315
In mixed form: 2118/315
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