Subtract 30/25 from 2/72, Solve 2/72

Subtract 30/25 from 2/72

1^st number: 2/72, 2^nd number: 1 5/25

2/72 - 30/25 is -211/180.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
2/72 = 2 × 25/72 × 25 = 50/1800
Likewise, for the 2nd fraction, since 25 × 72 = 1800,
30/25 = 30 × 72/25 × 72 = 2160/1800
Subtract the two like fractions:
50/1800 - 2160/1800 = 50 - 2160/1800 = -2110/1800
After reducing the fraction, the answer is -211/180

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