Subtract 60/24 from 15/90
1st number: 15/90, 2nd number: 2 12/24
15/90 - 60/24 is -7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
15/90 = 15 × 4/90 × 4 = 60/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
60/24 = 60 × 15/24 × 15 = 900/360 - Subtract the two like fractions:
60/360 - 900/360 = 60 - 900/360 = -840/360 - After reducing the fraction, the answer is -7/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90-60/24 15/90-60/48 45/90-60/24 15/90-60/72 75/90-60/24