Add 42/49 and 27/72, Solve 42/49 + 27/72 as a fraction

Add 42/49 and 27/72

42/49 + 27/72 is 69/56.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 49 × 72 = 3528,
42/49 = 42 × 72/49 × 72 = 3024/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
27/72 = 27 × 49/72 × 49 = 1323/3528
Add the two like fractions:
3024/3528 + 1323/3528 = 3024 + 1323/3528 = 4347/3528
4347/3528 simplified gives 69/56
So, 42/49 + 27/72 = 69/56
In mixed form: 113/56

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