Add 18/72 and 8/7, Solve 18/72 + 1 1/7 as a fraction

Add 18/72 and 8/7

1^st number: 18/72, 2^nd number: 1 1/7

18/72 + 8/7 is 39/28.

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,
18/72 = 18 × 7/72 × 7 = 126/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
8/7 = 8 × 72/7 × 72 = 576/504
Add the two like fractions:
126/504 + 576/504 = 126 + 576/504 = 702/504
702/504 simplified gives 39/28
So, 18/72 + 8/7 = 39/28
In mixed form: 111/28

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