Subtract 16/70 from 10/75
10/75 - 16/70 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
10/75 = 10 × 14/75 × 14 = 140/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
16/70 = 16 × 15/70 × 15 = 240/1050 - Subtract the two like fractions:
140/1050 - 240/1050 = 140 - 240/1050 = -100/1050 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75-16/70 10/75-32/70 30/75-16/70 10/75-48/70 50/75-16/70 10/75-80/70 70/75-16/70