Subtract 70/40 from 8/4
1st number: 2 0/4, 2nd number: 1 30/40
8/4 - 70/40 is 1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
8/4 = 8 × 10/4 × 10 = 80/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Subtract the two like fractions:
80/40 - 70/40 = 80 - 70/40 = 10/40 - After reducing the fraction, the answer is 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-70/40 8/4-70/80 24/4-70/40 8/12-70/40 40/4-70/40 8/20-70/40 56/4-70/40 8/28-70/40