Subtract 18/48 from 3/70, Solve 3/70

Subtract 18/48 from 3/70

3/70 - 18/48 is -93/280.

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,
3/70 = 3 × 24/70 × 24 = 72/1680
Likewise, for the 2nd fraction, since 48 × 35 = 1680,
18/48 = 18 × 35/48 × 35 = 630/1680
Subtract the two like fractions:
72/1680 - 630/1680 = 72 - 630/1680 = -558/1680
After reducing the fraction, the answer is -93/280

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