Add 7/8 and 63/84
7/8 + 63/84 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
7/8 = 7 × 21/8 × 21 = 147/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
63/84 = 63 × 2/84 × 2 = 126/168 - Add the two like fractions:
147/168 + 126/168 = 147 + 126/168 = 273/168 - 273/168 simplified gives 13/8
- So, 7/8 + 63/84 = 13/8
In mixed form: 15/8
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