Add 80/63 and 21/72
1st number: 1 17/63, 2nd number: 21/72
80/63 + 21/72 is 787/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
80/63 = 80 × 8/63 × 8 = 640/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504 - Add the two like fractions:
640/504 + 147/504 = 640 + 147/504 = 787/504 - So, 80/63 + 21/72 = 787/504
In mixed form: 1283/504
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