Add 15/84 and 7/8
15/84 + 7/8 is 59/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
15/84 = 15 × 2/84 × 2 = 30/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
7/8 = 7 × 21/8 × 21 = 147/168 - Add the two like fractions:
30/168 + 147/168 = 30 + 147/168 = 177/168 - 177/168 simplified gives 59/56
- So, 15/84 + 7/8 = 59/56
In mixed form: 13/56
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