Add 9/72 and 72/28, Solve 9/72 + 2 16/28 as a fraction

Add 9/72 and 72/28

1^st number: 9/72, 2^nd number: 2 16/28

9/72 + 72/28 is 151/56.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504
Likewise, for the 2nd fraction, since 28 × 18 = 504,
72/28 = 72 × 18/28 × 18 = 1296/504
Add the two like fractions:
63/504 + 1296/504 = 63 + 1296/504 = 1359/504
1359/504 simplified gives 151/56
So, 9/72 + 72/28 = 151/56
In mixed form: 239/56

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