Add 40/72 and 28/7, Solve 40/72 + 4 0/7 as a fraction

Add 40/72 and 28/7

1^st number: 40/72, 2^nd number: 4 0/7

40/72 + 28/7 is 41/9.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 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 7 × 72 = 504,
28/7 = 28 × 72/7 × 72 = 2016/504
Add the two like fractions:
280/504 + 2016/504 = 280 + 2016/504 = 2296/504
2296/504 simplified gives 41/9
So, 40/72 + 28/7 = 41/9
In mixed form: 45/9

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