Subtract 56/20 from 70/16
1st number: 4 6/16, 2nd number: 2 16/20
70/16 - 56/20 is 63/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
56/20 = 56 × 4/20 × 4 = 224/80 - Subtract the two like fractions:
350/80 - 224/80 = 350 - 224/80 = 126/80 - After reducing the fraction, the answer is 63/40
- In mixed form: 123/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32-56/20 70/16-56/40 70/48-56/20 70/16-56/60 70/80-56/20