Subtract 7/90 from 27/2
1st number: 13 1/2, 2nd number: 7/90
27/2 - 7/90 is 604/45.
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,
27/2 = 27 × 45/2 × 45 = 1215/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
1215/90 - 7/90 = 1215 - 7/90 = 1208/90 - After reducing the fraction, the answer is 604/45
- In mixed form: 1319/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2-7/90 27/2-14/90 27/4-7/90 81/2-7/90 27/2-21/90 27/6-7/90 27/2-35/90 27/10-7/90 27/2-49/90 27/14-7/90