Subtract 18/70 from 54/48, Solve 1 6/48

Subtract 18/70 from 54/48

1^st number: 1 6/48, 2^nd number: 18/70

54/48 - 18/70 is 243/280.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 48 × 35 = 1680,
54/48 = 54 × 35/48 × 35 = 1890/1680
Likewise, for the 2nd fraction, since 70 × 24 = 1680,
18/70 = 18 × 24/70 × 24 = 432/1680
Subtract the two like fractions:
1890/1680 - 432/1680 = 1890 - 432/1680 = 1458/1680
After reducing the fraction, the answer is 243/280

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