Subtract 2/20 from 42/60
42/60 - 2/20 is 3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
2/20 = 2 × 3/20 × 3 = 6/60 - Subtract the two like fractions:
42/60 - 6/60 = 42 - 6/60 = 36/60 - After reducing the fraction, the answer is 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-2/20 42/60-4/20 42/60-2/40 42/60-6/20 42/60-2/60 42/60-10/20 42/60-14/20