Subtract 96/42 from 3/10, Solve 3/10

Subtract 96/42 from 3/10

1^st number: 3/10, 2^nd number: 2 12/42

3/10 - 96/42 is -139/70.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
3/10 = 3 × 21/10 × 21 = 63/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
96/42 = 96 × 5/42 × 5 = 480/210
Subtract the two like fractions:
63/210 - 480/210 = 63 - 480/210 = -417/210
After reducing the fraction, the answer is -139/70

MathStep (Works offline)

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