Subtract 70/12 from 5/84
1st number: 5/84, 2nd number: 5 10/12
5/84 - 70/12 is -485/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
5/84 = 5 × 1/84 × 1 = 5/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Subtract the two like fractions:
5/84 - 490/84 = 5 - 490/84 = -485/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-70/12 5/84-70/24 15/84-70/12 5/84-70/36 25/84-70/12 5/84-70/60 35/84-70/12 5/84-70/84