Add 40/84 and 28/72, Solve 40/84 + 28/72 as a fraction

Add 40/84 and 28/72

40/84 + 28/72 is 109/126.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 84 × 6 = 504,
40/84 = 40 × 6/84 × 6 = 240/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504
Add the two like fractions:
240/504 + 196/504 = 240 + 196/504 = 436/504
436/504 simplified gives 109/126
So, 40/84 + 28/72 = 109/126

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