Add 3/56 and 21/63
3/56 + 21/63 is 65/168.
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,
3/56 = 3 × 9/56 × 9 = 27/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504 - Add the two like fractions:
27/504 + 168/504 = 27 + 168/504 = 195/504 - 195/504 simplified gives 65/168
- So, 3/56 + 21/63 = 65/168
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