Add 15/63 and 21/8
1st number: 15/63, 2nd number: 2 5/8
15/63 + 21/8 is 481/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
15/63 = 15 × 8/63 × 8 = 120/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
21/8 = 21 × 63/8 × 63 = 1323/504 - Add the two like fractions:
120/504 + 1323/504 = 120 + 1323/504 = 1443/504 - 1443/504 simplified gives 481/168
- So, 15/63 + 21/8 = 481/168
In mixed form: 2145/168
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