Subtract 63/90 from 2/4
2/4 - 63/90 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
2/4 = 2 × 45/4 × 45 = 90/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
63/90 = 63 × 2/90 × 2 = 126/180 - Subtract the two like fractions:
90/180 - 126/180 = 90 - 126/180 = -36/180 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-63/90 6/4-63/90 2/12-63/90 10/4-63/90 2/20-63/90 14/4-63/90 2/28-63/90