Add 21/56 and 3/63
21/56 + 3/63 is 71/168.
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,
3/63 = 3 × 8/63 × 8 = 24/504 - Add the two like fractions:
189/504 + 24/504 = 189 + 24/504 = 213/504 - 213/504 simplified gives 71/168
- So, 21/56 + 3/63 = 71/168
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