Subtract 35/5 from 30/4
1st number: 7 2/4, 2nd number: 7 0/5
30/4 - 35/5 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
35/5 = 35 × 4/5 × 4 = 140/20 - Subtract the two like fractions:
150/20 - 140/20 = 150 - 140/20 = 10/20 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-35/5 30/4-70/5 30/8-35/5 30/4-35/10 90/4-35/5 30/12-35/5 30/4-35/15 30/20-35/5 30/4-35/25 30/28-35/5