Subtract 60/30 from 48/45
1st number: 1 3/45, 2nd number: 2 0/30
48/45 - 60/30 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
48/45 = 48 × 2/45 × 2 = 96/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
60/30 = 60 × 3/30 × 3 = 180/90 - Subtract the two like fractions:
96/90 - 180/90 = 96 - 180/90 = -84/90 - After reducing the fraction, the answer is -14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/45-60/30 48/90-60/30 48/45-60/90