Subtract 72/24 from 27/70, Solve 27/70

Subtract 72/24 from 27/70

1^st number: 27/70, 2^nd number: 3 0/24

27/70 - 72/24 is -183/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 70 × 12 = 840,
27/70 = 27 × 12/70 × 12 = 324/840
Likewise, for the 2nd fraction, since 24 × 35 = 840,
72/24 = 72 × 35/24 × 35 = 2520/840
Subtract the two like fractions:
324/840 - 2520/840 = 324 - 2520/840 = -2196/840
After reducing the fraction, the answer is -183/70

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