Subtract 40/30 from 70/4
1st number: 17 2/4, 2nd number: 1 10/30
70/4 - 40/30 is 97/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
70/4 = 70 × 15/4 × 15 = 1050/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Subtract the two like fractions:
1050/60 - 80/60 = 1050 - 80/60 = 970/60 - After reducing the fraction, the answer is 97/6
- In mixed form: 161/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-80/30 70/8-40/30 70/4-40/60 70/12-40/30 70/4-40/90 70/20-40/30 70/28-40/30