Subtract 42/9 from 32/10
1st number: 3 2/10, 2nd number: 4 6/9
32/10 - 42/9 is -22/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 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 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Subtract the two like fractions:
288/90 - 420/90 = 288 - 420/90 = -132/90 - After reducing the fraction, the answer is -22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/10-42/9 32/10-84/9 32/20-42/9 32/10-42/18 96/10-42/9 32/30-42/9 32/10-42/27 32/50-42/9 32/10-42/45 32/70-42/9 32/10-42/63