Subtract 9/10 from 84/32
1st number: 2 20/32, 2nd number: 9/10
84/32 - 9/10 is 69/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 10 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
84/32 = 84 × 5/32 × 5 = 420/160 - Likewise, for the 2nd fraction, since 10 × 16 = 160,
9/10 = 9 × 16/10 × 16 = 144/160 - Subtract the two like fractions:
420/160 - 144/160 = 420 - 144/160 = 276/160 - After reducing the fraction, the answer is 69/40
- In mixed form: 129/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-18/10 84/64-9/10 84/32-9/20 84/32-27/10 84/96-9/10 84/32-9/30 84/32-45/10 84/32-9/50 84/32-63/10 84/32-9/70