Subtract 9/72 from 56/30, Solve 1 26/30

Subtract 9/72 from 56/30

1^st number: 1 26/30, 2^nd number: 9/72

56/30 - 9/72 is 209/120.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 30 × 12 = 360,
56/30 = 56 × 12/30 × 12 = 672/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360
Subtract the two like fractions:
672/360 - 45/360 = 672 - 45/360 = 627/360
After reducing the fraction, the answer is 209/120
In mixed form: 189/120

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