Subtract 70/24 from 3/7
1st number: 3/7, 2nd number: 2 22/24
3/7 - 70/24 is -209/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
3/7 = 3 × 24/7 × 24 = 72/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
70/24 = 70 × 7/24 × 7 = 490/168 - Subtract the two like fractions:
72/168 - 490/168 = 72 - 490/168 = -418/168 - After reducing the fraction, the answer is -209/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7-70/24 3/14-70/24 3/7-70/48 9/7-70/24 3/21-70/24 3/7-70/72 15/7-70/24 3/35-70/24 21/7-70/24 3/49-70/24