Subtract 35/4 from 40/30
1st number: 1 10/30, 2nd number: 8 3/4
40/30 - 35/4 is -89/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
35/4 = 35 × 15/4 × 15 = 525/60 - Subtract the two like fractions:
80/60 - 525/60 = 80 - 525/60 = -445/60 - After reducing the fraction, the answer is -89/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-35/4 40/30-70/4 40/60-35/4 40/30-35/8 40/90-35/4 40/30-35/12 40/30-35/20 40/30-35/28