Add 9/72 and 80/7, Solve 9/72 + 11 3/7 as a fraction

Add 9/72 and 80/7

1^st number: 9/72, 2^nd number: 11 3/7

9/72 + 80/7 is 647/56.

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,
9/72 = 9 × 7/72 × 7 = 63/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
80/7 = 80 × 72/7 × 72 = 5760/504
Add the two like fractions:
63/504 + 5760/504 = 63 + 5760/504 = 5823/504
5823/504 simplified gives 647/56
So, 9/72 + 80/7 = 647/56
In mixed form: 1131/56

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