Subtract 30/28 from 35/45
1st number: 35/45, 2nd number: 1 2/28
35/45 - 30/28 is -37/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
35/45 = 35 × 28/45 × 28 = 980/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
30/28 = 30 × 45/28 × 45 = 1350/1260 - Subtract the two like fractions:
980/1260 - 1350/1260 = 980 - 1350/1260 = -370/1260 - After reducing the fraction, the answer is -37/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-30/28 35/45-60/28 35/90-30/28 35/45-30/56 35/45-90/28 35/45-30/84