Subtract 12/4 from 3/30
1st number: 3/30, 2nd number: 3 0/4
3/30 - 12/4 is -29/10.
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,
3/30 = 3 × 2/30 × 2 = 6/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
12/4 = 12 × 15/4 × 15 = 180/60 - Subtract the two like fractions:
6/60 - 180/60 = 6 - 180/60 = -174/60 - After reducing the fraction, the answer is -29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-12/4 3/30-24/4 3/60-12/4 3/30-12/8 9/30-12/4 3/30-36/4 3/90-12/4 15/30-12/4 3/30-60/4 3/30-12/20 21/30-12/4 3/30-84/4 3/30-12/28