Add 81/3 and 10/7
1st number: 27 0/3, 2nd number: 1 3/7
81/3 + 10/7 is 199/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
81/3 = 81 × 7/3 × 7 = 567/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
10/7 = 10 × 3/7 × 3 = 30/21 - Add the two like fractions:
567/21 + 30/21 = 567 + 30/21 = 597/21 - 597/21 simplified gives 199/7
- So, 81/3 + 10/7 = 199/7
In mixed form: 283/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+20/7 81/6+10/7 81/3+10/14 81/3+30/7 81/9+10/7 81/3+10/21 81/3+50/7 81/15+10/7 81/3+10/35 81/3+70/7 81/21+10/7 81/3+10/49