Subtract 42/36 from 90/10
1st number: 9 0/10, 2nd number: 1 6/36
90/10 - 42/36 is 47/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
90/10 = 90 × 18/10 × 18 = 1620/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Subtract the two like fractions:
1620/180 - 210/180 = 1620 - 210/180 = 1410/180 - After reducing the fraction, the answer is 47/6
- In mixed form: 75/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-84/36 90/20-42/36 90/10-42/72 90/30-42/36 90/50-42/36 90/70-42/36