Subtract 5/12 from 4/70
4/70 - 5/12 is -151/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
4/70 = 4 × 6/70 × 6 = 24/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
5/12 = 5 × 35/12 × 35 = 175/420 - Subtract the two like fractions:
24/420 - 175/420 = 24 - 175/420 = -151/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-5/12 4/70-10/12 4/70-5/24 12/70-5/12 4/70-15/12 4/70-5/36 20/70-5/12 4/70-25/12 4/70-5/60 28/70-5/12 4/70-35/12 4/70-5/84