Add 21/8 and 48/63
1st number: 2 5/8, 2nd number: 48/63
21/8 + 48/63 is 569/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
21/8 = 21 × 63/8 × 63 = 1323/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
48/63 = 48 × 8/63 × 8 = 384/504 - Add the two like fractions:
1323/504 + 384/504 = 1323 + 384/504 = 1707/504 - 1707/504 simplified gives 569/168
- So, 21/8 + 48/63 = 569/168
In mixed form: 365/168
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