Add 54/56 and 40/63
54/56 + 40/63 is 403/252.
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,
54/56 = 54 × 9/56 × 9 = 486/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
486/504 + 320/504 = 486 + 320/504 = 806/504 - 806/504 simplified gives 403/252
- So, 54/56 + 40/63 = 403/252
In mixed form: 1151/252
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