Subtract 42/90 from 60/50
1st number: 1 10/50, 2nd number: 42/90
60/50 - 42/90 is 11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
60/50 = 60 × 9/50 × 9 = 540/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
42/90 = 42 × 5/90 × 5 = 210/450 - Subtract the two like fractions:
540/450 - 210/450 = 540 - 210/450 = 330/450 - After reducing the fraction, the answer is 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50-84/90