Subtract 20/49 from 50/14, Solve 3 8/14

Subtract 20/49 from 50/14

1^st number: 3 8/14, 2^nd number: 20/49

50/14 - 20/49 is 155/49.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98

Next, find the equivalent fraction of both fractional numbers with denominator 98
For the 1st fraction, since 14 × 7 = 98,
50/14 = 50 × 7/14 × 7 = 350/98
Likewise, for the 2nd fraction, since 49 × 2 = 98,
20/49 = 20 × 2/49 × 2 = 40/98
Subtract the two like fractions:
350/98 - 40/98 = 350 - 40/98 = 310/98
After reducing the fraction, the answer is 155/49
In mixed form: 38/49

MathStep (Works offline)

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