Subtract 25/84 from 70/56
1st number: 1 14/56, 2nd number: 25/84
70/56 - 25/84 is 20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
70/56 = 70 × 3/56 × 3 = 210/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
25/84 = 25 × 2/84 × 2 = 50/168 - Subtract the two like fractions:
210/168 - 50/168 = 210 - 50/168 = 160/168 - After reducing the fraction, the answer is 20/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-50/84 70/56-75/84