Add 72/63 and 20/49
1st number: 1 9/63, 2nd number: 20/49
72/63 + 20/49 is 76/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
72/63 = 72 × 7/63 × 7 = 504/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
20/49 = 20 × 9/49 × 9 = 180/441 - Add the two like fractions:
504/441 + 180/441 = 504 + 180/441 = 684/441 - 684/441 simplified gives 76/49
- So, 72/63 + 20/49 = 76/49
In mixed form: 127/49
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