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

Subtract 56/4 from 1/70

1^st number: 1/70, 2^nd number: 14 0/4

1/70 - 56/4 is -979/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 70 × 2 = 140,
1/70 = 1 × 2/70 × 2 = 2/140
Likewise, for the 2nd fraction, since 4 × 35 = 140,
56/4 = 56 × 35/4 × 35 = 1960/140
Subtract the two like fractions:
2/140 - 1960/140 = 2 - 1960/140 = -1958/140
After reducing the fraction, the answer is -979/70

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad