Subtract 90/32 from 1/45
1st number: 1/45, 2nd number: 2 26/32
1/45 - 90/32 is -2009/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
1/45 = 1 × 32/45 × 32 = 32/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
90/32 = 90 × 45/32 × 45 = 4050/1440 - Subtract the two like fractions:
32/1440 - 4050/1440 = 32 - 4050/1440 = -4018/1440 - After reducing the fraction, the answer is -2009/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45-90/32 1/90-90/32 1/45-90/64 3/45-90/32 1/45-90/96 5/45-90/32 7/45-90/32