Add 21/56 and 24/63
21/56 + 24/63 is 127/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
24/63 = 24 × 8/63 × 8 = 192/504 - Add the two like fractions:
189/504 + 192/504 = 189 + 192/504 = 381/504 - 381/504 simplified gives 127/168
- So, 21/56 + 24/63 = 127/168
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