Subtract 7/70 from 84/24
1st number: 3 12/24, 2nd number: 7/70
84/24 - 7/70 is 17/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
84/24 = 84 × 35/24 × 35 = 2940/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
7/70 = 7 × 12/70 × 12 = 84/840 - Subtract the two like fractions:
2940/840 - 84/840 = 2940 - 84/840 = 2856/840 - After reducing the fraction, the answer is 17/5
- In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-14/70 84/48-7/70 84/24-21/70 84/72-7/70 84/24-35/70 84/24-49/70