Subtract 4/48 from 70/20
1st number: 3 10/20, 2nd number: 4/48
70/20 - 4/48 is 41/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
70/20 = 70 × 12/20 × 12 = 840/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
4/48 = 4 × 5/48 × 5 = 20/240 - Subtract the two like fractions:
840/240 - 20/240 = 840 - 20/240 = 820/240 - After reducing the fraction, the answer is 41/12
- In mixed form: 35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-8/48 70/40-4/48 70/20-4/96 70/20-12/48 70/60-4/48 70/20-20/48 70/20-28/48