Subtract 8/6 from 2/80, Solve 2/80

Subtract 8/6 from 2/80

1^st number: 2/80, 2^nd number: 1 2/6

2/80 - 8/6 is -157/120.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
2/80 = 2 × 3/80 × 3 = 6/240
Likewise, for the 2nd fraction, since 6 × 40 = 240,
8/6 = 8 × 40/6 × 40 = 320/240
Subtract the two like fractions:
6/240 - 320/240 = 6 - 320/240 = -314/240
After reducing the fraction, the answer is -157/120

MathStep (Works offline)

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