Subtract 2/7 from 80/24
1st number: 3 8/24, 2nd number: 2/7
80/24 - 2/7 is 64/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
80/24 = 80 × 7/24 × 7 = 560/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
2/7 = 2 × 24/7 × 24 = 48/168 - Subtract the two like fractions:
560/168 - 48/168 = 560 - 48/168 = 512/168 - After reducing the fraction, the answer is 64/21
- In mixed form: 31/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24-4/7 80/48-2/7 80/24-2/14 80/24-6/7 80/72-2/7 80/24-2/21 80/24-10/7 80/24-2/35 80/24-14/7 80/24-2/49