Subtract 2/7 from 12/30
12/30 - 2/7 is 4/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
2/7 = 2 × 30/7 × 30 = 60/210 - Subtract the two like fractions:
84/210 - 60/210 = 84 - 60/210 = 24/210 - After reducing the fraction, the answer is 4/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30-2/7 12/30-4/7 12/60-2/7 12/30-2/14 36/30-2/7 12/30-6/7 12/90-2/7 12/30-2/21 60/30-2/7 12/30-10/7 12/30-2/35 84/30-2/7 12/30-14/7 12/30-2/49