Add 7/72 and 40/63
7/72 + 40/63 is 41/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
49/504 + 320/504 = 49 + 320/504 = 369/504 - 369/504 simplified gives 41/56
- So, 7/72 + 40/63 = 41/56
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