Subtract 20/48 from 42/5
1st number: 8 2/5, 2nd number: 20/48
42/5 - 20/48 is 479/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 5 × 48 = 240,
42/5 = 42 × 48/5 × 48 = 2016/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
20/48 = 20 × 5/48 × 5 = 100/240 - Subtract the two like fractions:
2016/240 - 100/240 = 2016 - 100/240 = 1916/240 - After reducing the fraction, the answer is 479/60
- In mixed form: 759/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-20/48 42/5-40/48 42/10-20/48 42/5-20/96 42/5-60/48 42/15-20/48 42/25-20/48 42/35-20/48