Add 9/7 and 28/72, Solve 1 2/7 + 28/72 as a fraction

Add 9/7 and 28/72

1^st number: 1 2/7, 2^nd number: 28/72

9/7 + 28/72 is 211/126.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 7 × 72 = 504,
9/7 = 9 × 72/7 × 72 = 648/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504
Add the two like fractions:
648/504 + 196/504 = 648 + 196/504 = 844/504
844/504 simplified gives 211/126
So, 9/7 + 28/72 = 211/126
In mixed form: 185/126

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