Subtract 56/28 from 40/50
1st number: 40/50, 2nd number: 2 0/28
40/50 - 56/28 is -6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
40/50 = 40 × 14/50 × 14 = 560/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
56/28 = 56 × 25/28 × 25 = 1400/700 - Subtract the two like fractions:
560/700 - 1400/700 = 560 - 1400/700 = -840/700 - After reducing the fraction, the answer is -6/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50-56/28 40/50-56/84