Subtract 36/32 from 70/20
1st number: 3 10/20, 2nd number: 1 4/32
70/20 - 36/32 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
70/20 = 70 × 8/20 × 8 = 560/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
36/32 = 36 × 5/32 × 5 = 180/160 - Subtract the two like fractions:
560/160 - 180/160 = 560 - 180/160 = 380/160 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-72/32 70/40-36/32 70/20-36/64 70/60-36/32 70/20-36/96