Subtract 98/18 from 63/45
1st number: 1 18/45, 2nd number: 5 8/18
63/45 - 98/18 is -182/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
63/45 = 63 × 2/45 × 2 = 126/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Subtract the two like fractions:
126/90 - 490/90 = 126 - 490/90 = -364/90 - After reducing the fraction, the answer is -182/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90-98/18 63/45-98/36 63/45-98/54 63/45-98/90