Subtract 28/40 from 70/16
1st number: 4 6/16, 2nd number: 28/40
70/16 - 28/40 is 147/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 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 40 × 2 = 80,
28/40 = 28 × 2/40 × 2 = 56/80 - Subtract the two like fractions:
350/80 - 56/80 = 350 - 56/80 = 294/80 - After reducing the fraction, the answer is 147/40
- In mixed form: 327/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16-56/40 70/32-28/40 70/16-28/80 70/16-84/40 70/48-28/40 70/80-28/40