Subtract 50/6 from 50/40, Solve 1 10/40

Subtract 50/6 from 50/40

1^st number: 1 10/40, 2^nd number: 8 2/6

50/40 - 50/6 is -85/12.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
50/40 = 50 × 3/40 × 3 = 150/120
Likewise, for the 2nd fraction, since 6 × 20 = 120,
50/6 = 50 × 20/6 × 20 = 1000/120
Subtract the two like fractions:
150/120 - 1000/120 = 150 - 1000/120 = -850/120
After reducing the fraction, the answer is -85/12

MathStep (Works offline)

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