Subtract 18/70 from 70/54, Solve 1 16/54

Subtract 18/70 from 70/54

1^st number: 1 16/54, 2^nd number: 18/70

70/54 - 18/70 is 982/945.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 54 × 35 = 1890,
70/54 = 70 × 35/54 × 35 = 2450/1890
Likewise, for the 2nd fraction, since 70 × 27 = 1890,
18/70 = 18 × 27/70 × 27 = 486/1890
Subtract the two like fractions:
2450/1890 - 486/1890 = 2450 - 486/1890 = 1964/1890
After reducing the fraction, the answer is 982/945
In mixed form: 137/945

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