Subtract 75/84 from 70/15
1st number: 4 10/15, 2nd number: 75/84
70/15 - 75/84 is 317/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
70/15 = 70 × 28/15 × 28 = 1960/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Subtract the two like fractions:
1960/420 - 375/420 = 1960 - 375/420 = 1585/420 - After reducing the fraction, the answer is 317/84
- In mixed form: 365/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-75/84 70/45-75/84 70/75-75/84