Subtract 70/24 from 8/28
1st number: 8/28, 2nd number: 2 22/24
8/28 - 70/24 is -221/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
8/28 = 8 × 6/28 × 6 = 48/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
70/24 = 70 × 7/24 × 7 = 490/168 - Subtract the two like fractions:
48/168 - 490/168 = 48 - 490/168 = -442/168 - After reducing the fraction, the answer is -221/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-70/24 8/56-70/24 8/28-70/48 24/28-70/24 8/84-70/24 8/28-70/72 40/28-70/24 56/28-70/24