Subtract 45/30 from 70/4
1st number: 17 2/4, 2nd number: 1 15/30
70/4 - 45/30 is 16/1.
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,
45/30 = 45 × 2/30 × 2 = 90/60 - Subtract the two like fractions:
1050/60 - 90/60 = 1050 - 90/60 = 960/60 - After reducing the fraction, the answer is 16/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-90/30 70/8-45/30 70/4-45/60 70/12-45/30 70/4-45/90 70/20-45/30 70/28-45/30