Subtract 60/4 from 45/30
1st number: 1 15/30, 2nd number: 15 0/4
45/30 - 60/4 is -27/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
60/4 = 60 × 15/4 × 15 = 900/60 - Subtract the two like fractions:
90/60 - 900/60 = 90 - 900/60 = -810/60 - After reducing the fraction, the answer is -27/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-60/4 45/60-60/4 45/30-60/8 45/90-60/4 45/30-60/12 45/30-60/20 45/30-60/28