Subtract 4/30 from 56/40
1st number: 1 16/40, 2nd number: 4/30
56/40 - 4/30 is 19/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
56/40 = 56 × 3/40 × 3 = 168/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
4/30 = 4 × 4/30 × 4 = 16/120 - Subtract the two like fractions:
168/120 - 16/120 = 168 - 16/120 = 152/120 - After reducing the fraction, the answer is 19/15
- In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40-8/30 56/80-4/30 56/40-4/60 56/40-12/30 56/40-4/90 56/40-20/30 56/40-28/30