Subtract 14/10 from 84/72
1st number: 1 12/72, 2nd number: 1 4/10
84/72 - 14/10 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
14/10 = 14 × 36/10 × 36 = 504/360 - Subtract the two like fractions:
420/360 - 504/360 = 420 - 504/360 = -84/360 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72-28/10 84/72-14/20 84/72-42/10 84/72-14/30 84/72-70/10 84/72-14/50 84/72-98/10 84/72-14/70