Subtract 7/90 from 14/2
1st number: 7 0/2, 2nd number: 7/90
14/2 - 7/90 is 623/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
14/2 = 14 × 45/2 × 45 = 630/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
630/90 - 7/90 = 630 - 7/90 = 623/90 - In mixed form: 683/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/2-7/90 14/2-14/90 14/4-7/90 42/2-7/90 14/2-21/90 14/6-7/90 70/2-7/90 14/2-35/90 14/10-7/90 98/2-7/90 14/2-49/90