Subtract 30/4 from 4/10
1st number: 4/10, 2nd number: 7 2/4
4/10 - 30/4 is -71/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
4/10 = 4 × 2/10 × 2 = 8/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Subtract the two like fractions:
8/20 - 150/20 = 8 - 150/20 = -142/20 - After reducing the fraction, the answer is -71/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-30/4 4/10-60/4 4/20-30/4 4/10-30/8 12/10-30/4 4/10-90/4 4/30-30/4 4/10-30/12 20/10-30/4 4/50-30/4 4/10-30/20 28/10-30/4 4/70-30/4 4/10-30/28