Add 81/14 and 7/4
1st number: 5 11/14, 2nd number: 1 3/4
81/14 + 7/4 is 211/28.
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,
7/4 = 7 × 7/4 × 7 = 49/28 - Add the two like fractions:
162/28 + 49/28 = 162 + 49/28 = 211/28 - So, 81/14 + 7/4 = 211/28
In mixed form: 715/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/14+14/4 81/28+7/4 81/14+7/8 81/14+21/4 81/42+7/4 81/14+7/12 81/14+35/4 81/70+7/4 81/14+7/20 81/14+49/4 81/98+7/4 81/14+7/28