Add 21/63 and 21/8
1st number: 21/63, 2nd number: 2 5/8
21/63 + 21/8 is 71/24.
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,
21/63 = 21 × 8/63 × 8 = 168/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
21/8 = 21 × 63/8 × 63 = 1323/504 - Add the two like fractions:
168/504 + 1323/504 = 168 + 1323/504 = 1491/504 - 1491/504 simplified gives 71/24
- So, 21/63 + 21/8 = 71/24
In mixed form: 223/24
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