Add 5/72 and 40/42
5/72 + 40/42 is 515/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
40/42 = 40 × 12/42 × 12 = 480/504 - Add the two like fractions:
35/504 + 480/504 = 35 + 480/504 = 515/504 - So, 5/72 + 40/42 = 515/504
In mixed form: 111/504
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