Subtract 84/30 from 12/10
1st number: 1 2/10, 2nd number: 2 24/30
12/10 - 84/30 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
12/10 = 12 × 3/10 × 3 = 36/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
84/30 = 84 × 1/30 × 1 = 84/30 - Subtract the two like fractions:
36/30 - 84/30 = 36 - 84/30 = -48/30 - After reducing the fraction, the answer is -8/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10-84/30 12/20-84/30 12/10-84/60 36/10-84/30 12/30-84/30 12/10-84/90 60/10-84/30 12/50-84/30 84/10-84/30 12/70-84/30