Subtract 18/96 from 90/70
1st number: 1 20/70, 2nd number: 18/96
90/70 - 18/96 is 123/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 96 is 3360
Next, find the equivalent fraction of both fractional numbers with denominator 3360 - For the 1st fraction, since 70 × 48 = 3360,
90/70 = 90 × 48/70 × 48 = 4320/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
18/96 = 18 × 35/96 × 35 = 630/3360 - Subtract the two like fractions:
4320/3360 - 630/3360 = 4320 - 630/3360 = 3690/3360 - After reducing the fraction, the answer is 123/112
- In mixed form: 111/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-36/96 90/70-54/96 90/70-90/96