Subtract 6/48 from 90/70
1st number: 1 20/70, 2nd number: 6/48
90/70 - 6/48 is 65/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
90/70 = 90 × 24/70 × 24 = 2160/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
6/48 = 6 × 35/48 × 35 = 210/1680 - Subtract the two like fractions:
2160/1680 - 210/1680 = 2160 - 210/1680 = 1950/1680 - After reducing the fraction, the answer is 65/56
- In mixed form: 19/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-12/48 90/70-6/96 90/70-18/48 90/70-30/48 90/70-42/48