Subtract 30/4 from 35/50, Solve 35/50

Subtract 30/4 from 35/50

1^st number: 35/50, 2^nd number: 7 2/4

35/50 - 30/4 is -34/5.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100

Next, find the equivalent fraction of both fractional numbers with denominator 100
For the 1st fraction, since 50 × 2 = 100,
35/50 = 35 × 2/50 × 2 = 70/100
Likewise, for the 2nd fraction, since 4 × 25 = 100,
30/4 = 30 × 25/4 × 25 = 750/100
Subtract the two like fractions:
70/100 - 750/100 = 70 - 750/100 = -680/100
After reducing the fraction, the answer is -34/5

MathStep (Works offline)

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