Add 72/49 and 20/63
1st number: 1 23/49, 2nd number: 20/63
72/49 + 20/63 is 788/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
72/49 = 72 × 9/49 × 9 = 648/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
20/63 = 20 × 7/63 × 7 = 140/441 - Add the two like fractions:
648/441 + 140/441 = 648 + 140/441 = 788/441 - So, 72/49 + 20/63 = 788/441
In mixed form: 1347/441
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