Add 27/7 and 28/72, Solve 3 6/7 + 28/72 as a fraction

Add 27/7 and 28/72

1^st number: 3 6/7, 2^nd number: 28/72

27/7 + 28/72 is 535/126.

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,
27/7 = 27 × 72/7 × 72 = 1944/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504
Add the two like fractions:
1944/504 + 196/504 = 1944 + 196/504 = 2140/504
2140/504 simplified gives 535/126
So, 27/7 + 28/72 = 535/126
In mixed form: 431/126

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