Subtract 75/16 from 70/84
1st number: 70/84, 2nd number: 4 11/16
70/84 - 75/16 is -185/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
70/84 = 70 × 4/84 × 4 = 280/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
75/16 = 75 × 21/16 × 21 = 1575/336 - Subtract the two like fractions:
280/336 - 1575/336 = 280 - 1575/336 = -1295/336 - After reducing the fraction, the answer is -185/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-75/32 70/84-75/48 70/84-75/80