Subtract 4/70 from 56/54, Solve 1 2/54

Subtract 4/70 from 56/54

1^st number: 1 2/54, 2^nd number: 4/70

56/54 - 4/70 is 926/945.

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,
56/54 = 56 × 35/54 × 35 = 1960/1890
Likewise, for the 2nd fraction, since 70 × 27 = 1890,
4/70 = 4 × 27/70 × 27 = 108/1890
Subtract the two like fractions:
1960/1890 - 108/1890 = 1960 - 108/1890 = 1852/1890
After reducing the fraction, the answer is 926/945

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