Subtract 4/90 from 84/48
1st number: 1 36/48, 2nd number: 4/90
84/48 - 4/90 is 307/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
84/48 = 84 × 15/48 × 15 = 1260/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
4/90 = 4 × 8/90 × 8 = 32/720 - Subtract the two like fractions:
1260/720 - 32/720 = 1260 - 32/720 = 1228/720 - After reducing the fraction, the answer is 307/180
- In mixed form: 1127/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48-8/90 84/96-4/90 84/48-12/90 84/48-20/90 84/48-28/90