Subtract 18/48 from 5/70, Solve 5/70

Subtract 18/48 from 5/70

5/70 - 18/48 is -17/56.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 70 × 24 = 1680,
5/70 = 5 × 24/70 × 24 = 120/1680
Likewise, for the 2nd fraction, since 48 × 35 = 1680,
18/48 = 18 × 35/48 × 35 = 630/1680
Subtract the two like fractions:
120/1680 - 630/1680 = 120 - 630/1680 = -510/1680
After reducing the fraction, the answer is -17/56

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