Subtract 70/84 from 36/75
36/75 - 70/84 is -53/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
36/75 = 36 × 28/75 × 28 = 1008/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Subtract the two like fractions:
1008/2100 - 1750/2100 = 1008 - 1750/2100 = -742/2100 - After reducing the fraction, the answer is -53/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75-70/84