Subtract 35/60 from 1/90
1/90 - 35/60 is -103/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
1/90 = 1 × 2/90 × 2 = 2/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
35/60 = 35 × 3/60 × 3 = 105/180 - Subtract the two like fractions:
2/180 - 105/180 = 2 - 105/180 = -103/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-35/60 1/90-70/60 3/90-35/60 5/90-35/60 7/90-35/60