Subtract 90/24 from 70/4
1st number: 17 2/4, 2nd number: 3 18/24
70/4 - 90/24 is 55/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
70/4 = 70 × 6/4 × 6 = 420/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
90/24 = 90 × 1/24 × 1 = 90/24 - Subtract the two like fractions:
420/24 - 90/24 = 420 - 90/24 = 330/24 - After reducing the fraction, the answer is 55/4
- In mixed form: 133/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-90/24 70/4-90/48 70/12-90/24 70/4-90/72 70/20-90/24 70/28-90/24