Subtract 3/45 from 54/35
1st number: 1 19/35, 2nd number: 3/45
54/35 - 3/45 is 31/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
54/35 = 54 × 9/35 × 9 = 486/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
3/45 = 3 × 7/45 × 7 = 21/315 - Subtract the two like fractions:
486/315 - 21/315 = 486 - 21/315 = 465/315 - After reducing the fraction, the answer is 31/21
- In mixed form: 110/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/35-6/45 54/70-3/45 54/35-3/90 54/35-9/45 54/35-15/45 54/35-21/45