Subtract 42/20 from 8/3
1st number: 2 2/3, 2nd number: 2 2/20
8/3 - 42/20 is 17/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
8/3 = 8 × 20/3 × 20 = 160/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Subtract the two like fractions:
160/60 - 126/60 = 160 - 126/60 = 34/60 - After reducing the fraction, the answer is 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/3-42/20 8/3-84/20 8/6-42/20 8/3-42/40 24/3-42/20 8/9-42/20 8/3-42/60 40/3-42/20 8/15-42/20 56/3-42/20 8/21-42/20