Subtract 32/30 from 3/45
1st number: 3/45, 2nd number: 1 2/30
3/45 - 32/30 is -1/1.
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,
3/45 = 3 × 2/45 × 2 = 6/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
32/30 = 32 × 3/30 × 3 = 96/90 - Subtract the two like fractions:
6/90 - 96/90 = 6 - 96/90 = -90/90 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45-32/30 3/45-64/30 3/90-32/30 3/45-32/60 9/45-32/30 3/45-96/30 3/45-32/90 15/45-32/30 21/45-32/30