Add 63/21 and 15/8
1st number: 3 0/21, 2nd number: 1 7/8
63/21 + 15/8 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
63/21 = 63 × 8/21 × 8 = 504/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
15/8 = 15 × 21/8 × 21 = 315/168 - Add the two like fractions:
504/168 + 315/168 = 504 + 315/168 = 819/168 - 819/168 simplified gives 39/8
- So, 63/21 + 15/8 = 39/8
In mixed form: 47/8
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