Add 30/35 and 4/72, Solve 30/35 + 4/72 as a fraction

Add 30/35 and 4/72

30/35 + 4/72 is 115/126.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 35 × 72 = 2520,
30/35 = 30 × 72/35 × 72 = 2160/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
4/72 = 4 × 35/72 × 35 = 140/2520
Add the two like fractions:
2160/2520 + 140/2520 = 2160 + 140/2520 = 2300/2520
2300/2520 simplified gives 115/126
So, 30/35 + 4/72 = 115/126

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