Subtract 6/60 from 42/20
1st number: 2 2/20, 2nd number: 6/60
42/20 - 6/60 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
6/60 = 6 × 1/60 × 1 = 6/60 - Subtract the two like fractions:
126/60 - 6/60 = 126 - 6/60 = 120/60 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-6/60 42/20-12/60 42/40-6/60 42/20-18/60 42/60-6/60 42/20-30/60 42/20-42/60