Subtract 60/28 from 9/90
1st number: 9/90, 2nd number: 2 4/28
9/90 - 60/28 is -143/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
9/90 = 9 × 14/90 × 14 = 126/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
60/28 = 60 × 45/28 × 45 = 2700/1260 - Subtract the two like fractions:
126/1260 - 2700/1260 = 126 - 2700/1260 = -2574/1260 - After reducing the fraction, the answer is -143/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90-60/28 9/90-60/56 27/90-60/28 9/90-60/84 45/90-60/28 63/90-60/28