Subtract 20/7 from 25/24
1st number: 1 1/24, 2nd number: 2 6/7
25/24 - 20/7 is -305/168.
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,
25/24 = 25 × 7/24 × 7 = 175/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
20/7 = 20 × 24/7 × 24 = 480/168 - Subtract the two like fractions:
175/168 - 480/168 = 175 - 480/168 = -305/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24-20/7 25/24-40/7 25/48-20/7 25/24-20/14 75/24-20/7 25/24-60/7 25/72-20/7 25/24-20/21 25/24-20/35 25/24-20/49