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

Add 30/7 and 4/72

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

30/7 + 4/72 is 547/126.

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,
30/7 = 30 × 72/7 × 72 = 2160/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504
Add the two like fractions:
2160/504 + 28/504 = 2160 + 28/504 = 2188/504
2188/504 simplified gives 547/126
So, 30/7 + 4/72 = 547/126
In mixed form: 443/126

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