Add 56/21 and 15/72
1st number: 2 14/21, 2nd number: 15/72
56/21 + 15/72 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 21 × 24 = 504,
56/21 = 56 × 24/21 × 24 = 1344/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
1344/504 + 105/504 = 1344 + 105/504 = 1449/504 - 1449/504 simplified gives 23/8
- So, 56/21 + 15/72 = 23/8
In mixed form: 27/8
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