Subtract 30/40 from 70/32
1st number: 2 6/32, 2nd number: 30/40
70/32 - 30/40 is 23/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
70/32 = 70 × 5/32 × 5 = 350/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
30/40 = 30 × 4/40 × 4 = 120/160 - Subtract the two like fractions:
350/160 - 120/160 = 350 - 120/160 = 230/160 - After reducing the fraction, the answer is 23/16
- In mixed form: 17/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32-60/40 70/64-30/40 70/32-30/80 70/32-90/40 70/96-30/40