Add 12/72 and 30/7, Solve 12/72 + 4 2/7 as a fraction

Add 12/72 and 30/7

1^st number: 12/72, 2^nd number: 4 2/7

12/72 + 30/7 is 187/42.

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,
12/72 = 12 × 7/72 × 7 = 84/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
30/7 = 30 × 72/7 × 72 = 2160/504
Add the two like fractions:
84/504 + 2160/504 = 84 + 2160/504 = 2244/504
2244/504 simplified gives 187/42
So, 12/72 + 30/7 = 187/42
In mixed form: 419/42

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