Add 27/7 and 12/72, Solve 3 6/7 + 12/72 as a fraction

Add 27/7 and 12/72

1^st number: 3 6/7, 2^nd number: 12/72

27/7 + 12/72 is 169/42.

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,
12/72 = 12 × 7/72 × 7 = 84/504
Add the two like fractions:
1944/504 + 84/504 = 1944 + 84/504 = 2028/504
2028/504 simplified gives 169/42
So, 27/7 + 12/72 = 169/42
In mixed form: 41/42

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