Subtract 70/48 from 21/5
1st number: 4 1/5, 2nd number: 1 22/48
21/5 - 70/48 is 329/120.
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,
21/5 = 21 × 48/5 × 48 = 1008/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
70/48 = 70 × 5/48 × 5 = 350/240 - Subtract the two like fractions:
1008/240 - 350/240 = 1008 - 350/240 = 658/240 - After reducing the fraction, the answer is 329/120
- In mixed form: 289/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5-70/48 21/10-70/48 21/5-70/96 63/5-70/48 21/15-70/48 21/25-70/48 21/35-70/48