Subtract 42/80 from 49/36
1st number: 1 13/36, 2nd number: 42/80
49/36 - 42/80 is 301/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
49/36 = 49 × 20/36 × 20 = 980/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Subtract the two like fractions:
980/720 - 378/720 = 980 - 378/720 = 602/720 - After reducing the fraction, the answer is 301/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/36-42/80 49/36-84/80 49/72-42/80