Add 40/72 and 9/28
40/72 + 9/28 is 221/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
40/72 = 40 × 7/72 × 7 = 280/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
9/28 = 9 × 18/28 × 18 = 162/504 - Add the two like fractions:
280/504 + 162/504 = 280 + 162/504 = 442/504 - 442/504 simplified gives 221/252
- So, 40/72 + 9/28 = 221/252
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