Subtract 60/45 from 36/28
1st number: 1 8/28, 2nd number: 1 15/45
36/28 - 60/45 is -1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
36/28 = 36 × 45/28 × 45 = 1620/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
60/45 = 60 × 28/45 × 28 = 1680/1260 - Subtract the two like fractions:
1620/1260 - 1680/1260 = 1620 - 1680/1260 = -60/1260 - After reducing the fraction, the answer is -1/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28-60/45 36/56-60/45 36/28-60/90 36/84-60/45