Subtract 32/10 from 1/84
1st number: 1/84, 2nd number: 3 2/10
1/84 - 32/10 is -1339/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
32/10 = 32 × 42/10 × 42 = 1344/420 - Subtract the two like fractions:
5/420 - 1344/420 = 5 - 1344/420 = -1339/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-32/10 1/84-64/10 1/84-32/20 3/84-32/10 1/84-96/10 1/84-32/30 5/84-32/10 1/84-32/50 7/84-32/10 1/84-32/70