Add 81/3 and 25/70
1st number: 27 0/3, 2nd number: 25/70
81/3 + 25/70 is 383/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
81/3 = 81 × 70/3 × 70 = 5670/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
25/70 = 25 × 3/70 × 3 = 75/210 - Add the two like fractions:
5670/210 + 75/210 = 5670 + 75/210 = 5745/210 - 5745/210 simplified gives 383/14
- So, 81/3 + 25/70 = 383/14
In mixed form: 275/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+50/70 81/6+25/70 81/3+75/70 81/9+25/70 81/15+25/70 81/21+25/70