Add 7/72 and 84/63
1st number: 7/72, 2nd number: 1 21/63
7/72 + 84/63 is 103/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Add the two like fractions:
49/504 + 672/504 = 49 + 672/504 = 721/504 - 721/504 simplified gives 103/72
- So, 7/72 + 84/63 = 103/72
In mixed form: 131/72
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