Subtract 98/70 from 84/24
1st number: 3 12/24, 2nd number: 1 28/70
84/24 - 98/70 is 21/10.
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,
98/70 = 98 × 12/70 × 12 = 1176/840 - Subtract the two like fractions:
2940/840 - 1176/840 = 2940 - 1176/840 = 1764/840 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48-98/70 84/72-98/70