Subtract 3/28 from 50/40
1st number: 1 10/40, 2nd number: 3/28
50/40 - 3/28 is 8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
50/40 = 50 × 7/40 × 7 = 350/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
3/28 = 3 × 10/28 × 10 = 30/280 - Subtract the two like fractions:
350/280 - 30/280 = 350 - 30/280 = 320/280 - After reducing the fraction, the answer is 8/7
- In mixed form: 11/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40-6/28 50/80-3/28 50/40-3/56 50/40-9/28 50/40-3/84 50/40-15/28 50/40-21/28