Add 81/14 and 6/4
1st number: 5 11/14, 2nd number: 1 2/4
81/14 + 6/4 is 51/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
81/14 = 81 × 2/14 × 2 = 162/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
6/4 = 6 × 7/4 × 7 = 42/28 - Add the two like fractions:
162/28 + 42/28 = 162 + 42/28 = 204/28 - 204/28 simplified gives 51/7
- So, 81/14 + 6/4 = 51/7
In mixed form: 72/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/14+12/4 81/28+6/4 81/14+6/8 81/14+18/4 81/42+6/4 81/14+6/12 81/14+30/4 81/70+6/4 81/14+6/20 81/14+42/4 81/98+6/4 81/14+6/28