Subtract 21/45 from 32/10
1st number: 3 2/10, 2nd number: 21/45
32/10 - 21/45 is 41/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
32/10 = 32 × 9/10 × 9 = 288/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90 - Subtract the two like fractions:
288/90 - 42/90 = 288 - 42/90 = 246/90 - After reducing the fraction, the answer is 41/15
- In mixed form: 211/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/10-21/45 32/10-42/45 32/20-21/45 32/10-21/90 96/10-21/45 32/10-63/45 32/30-21/45 32/50-21/45 32/70-21/45