Add 40/72 and 28/84
40/72 + 28/84 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 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 84 × 6 = 504,
28/84 = 28 × 6/84 × 6 = 168/504 - Add the two like fractions:
280/504 + 168/504 = 280 + 168/504 = 448/504 - 448/504 simplified gives 8/9
- So, 40/72 + 28/84 = 8/9
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