Subtract 4/20 from 48/30
1st number: 1 18/30, 2nd number: 4/20
48/30 - 4/20 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
48/30 = 48 × 2/30 × 2 = 96/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Subtract the two like fractions:
96/60 - 12/60 = 96 - 12/60 = 84/60 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/30-4/20 48/30-8/20 48/60-4/20 48/30-4/40 48/30-12/20 48/90-4/20 48/30-4/60 48/30-28/20