Add 4/63 and 40/72
4/63 + 40/72 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
4/63 = 4 × 8/63 × 8 = 32/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
40/72 = 40 × 7/72 × 7 = 280/504 - Add the two like fractions:
32/504 + 280/504 = 32 + 280/504 = 312/504 - 312/504 simplified gives 13/21
- So, 4/63 + 40/72 = 13/21
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