Subtract 30/80 from 35/27, Solve 1 8/27

Subtract 30/80 from 35/27

1^st number: 1 8/27, 2^nd number: 30/80

35/27 - 30/80 is 199/216.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 27 × 80 = 2160,
35/27 = 35 × 80/27 × 80 = 2800/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160
Subtract the two like fractions:
2800/2160 - 810/2160 = 2800 - 810/2160 = 1990/2160
After reducing the fraction, the answer is 199/216

MathStep (Works offline)

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