Add 15/3 and 21/56
1st number: 5 0/3, 2nd number: 21/56
15/3 + 21/56 is 43/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
15/3 = 15 × 56/3 × 56 = 840/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Add the two like fractions:
840/168 + 63/168 = 840 + 63/168 = 903/168 - 903/168 simplified gives 43/8
- So, 15/3 + 21/56 = 43/8
In mixed form: 53/8
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