Add 1/72 and 21/7
1st number: 1/72, 2nd number: 3 0/7
1/72 + 21/7 is 217/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
21/7 = 21 × 72/7 × 72 = 1512/504 - Add the two like fractions:
7/504 + 1512/504 = 7 + 1512/504 = 1519/504 - 1519/504 simplified gives 217/72
- So, 1/72 + 21/7 = 217/72
In mixed form: 31/72
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