Subtract 12/4 from 7/30
1st number: 7/30, 2nd number: 3 0/4
7/30 - 12/4 is -83/30.
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,
7/30 = 7 × 2/30 × 2 = 14/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
12/4 = 12 × 15/4 × 15 = 180/60 - Subtract the two like fractions:
14/60 - 180/60 = 14 - 180/60 = -166/60 - After reducing the fraction, the answer is -83/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-12/4 7/30-24/4 7/60-12/4 7/30-12/8 21/30-12/4 7/30-36/4 7/90-12/4 35/30-12/4 7/30-60/4 7/30-12/20 49/30-12/4 7/30-84/4 7/30-12/28