Subtract 48/45 from 2/20
1st number: 2/20, 2nd number: 1 3/45
2/20 - 48/45 is -29/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
48/45 = 48 × 4/45 × 4 = 192/180 - Subtract the two like fractions:
18/180 - 192/180 = 18 - 192/180 = -174/180 - After reducing the fraction, the answer is -29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-48/45 2/20-96/45 2/40-48/45 2/20-48/90 6/20-48/45 2/60-48/45 10/20-48/45 14/20-48/45