Subtract 54/32 from 90/60
1st number: 1 30/60, 2nd number: 1 22/32
90/60 - 54/32 is -3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 60 × 8 = 480,
90/60 = 90 × 8/60 × 8 = 720/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
54/32 = 54 × 15/32 × 15 = 810/480 - Subtract the two like fractions:
720/480 - 810/480 = 720 - 810/480 = -90/480 - After reducing the fraction, the answer is -3/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60-54/64 90/60-54/96