Subtract 98/45 from 36/40
1st number: 36/40, 2nd number: 2 8/45
36/40 - 98/45 is -23/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
36/40 = 36 × 9/40 × 9 = 324/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
98/45 = 98 × 8/45 × 8 = 784/360 - Subtract the two like fractions:
324/360 - 784/360 = 324 - 784/360 = -460/360 - After reducing the fraction, the answer is -23/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40-98/45 36/80-98/45 36/40-98/90