Subtract 4/30 from 70/25
1st number: 2 20/25, 2nd number: 4/30
70/25 - 4/30 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
70/25 = 70 × 6/25 × 6 = 420/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
4/30 = 4 × 5/30 × 5 = 20/150 - Subtract the two like fractions:
420/150 - 20/150 = 420 - 20/150 = 400/150 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-8/30 70/50-4/30 70/25-4/60 70/25-12/30 70/75-4/30 70/25-4/90 70/25-20/30 70/25-28/30