Subtract 54/60 from 90/35
1st number: 2 20/35, 2nd number: 54/60
90/35 - 54/60 is 117/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
90/35 = 90 × 12/35 × 12 = 1080/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
54/60 = 54 × 7/60 × 7 = 378/420 - Subtract the two like fractions:
1080/420 - 378/420 = 1080 - 378/420 = 702/420 - After reducing the fraction, the answer is 117/70
- In mixed form: 147/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-54/60