Subtract 35/84 from 21/10
1st number: 2 1/10, 2nd number: 35/84
21/10 - 35/84 is 101/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
21/10 = 21 × 42/10 × 42 = 882/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Subtract the two like fractions:
882/420 - 175/420 = 882 - 175/420 = 707/420 - After reducing the fraction, the answer is 101/60
- In mixed form: 141/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10-35/84 21/10-70/84 21/20-35/84 63/10-35/84 21/30-35/84 21/50-35/84 21/70-35/84