Subtract 63/45 from 1/40
1st number: 1/40, 2nd number: 1 18/45
1/40 - 63/45 is -11/8.
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,
1/40 = 1 × 9/40 × 9 = 9/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
63/45 = 63 × 8/45 × 8 = 504/360 - Subtract the two like fractions:
9/360 - 504/360 = 9 - 504/360 = -495/360 - After reducing the fraction, the answer is -11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-63/45 1/80-63/45 1/40-63/90 3/40-63/45 5/40-63/45 7/40-63/45