Add 21/5 and 15/56
1st number: 4 1/5, 2nd number: 15/56
21/5 + 15/56 is 1251/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
21/5 = 21 × 56/5 × 56 = 1176/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Add the two like fractions:
1176/280 + 75/280 = 1176 + 75/280 = 1251/280 - So, 21/5 + 15/56 = 1251/280
In mixed form: 4131/280
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