Add 15/56 and 21/9
1st number: 15/56, 2nd number: 2 3/9
15/56 + 21/9 is 437/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
21/9 = 21 × 56/9 × 56 = 1176/504 - Add the two like fractions:
135/504 + 1176/504 = 135 + 1176/504 = 1311/504 - 1311/504 simplified gives 437/168
- So, 15/56 + 21/9 = 437/168
In mixed form: 2101/168
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