Add 30/4 and 27/7
1st number: 7 2/4, 2nd number: 3 6/7
30/4 + 27/7 is 159/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
30/4 = 30 × 7/4 × 7 = 210/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
27/7 = 27 × 4/7 × 4 = 108/28 - Add the two like fractions:
210/28 + 108/28 = 210 + 108/28 = 318/28 - 318/28 simplified gives 159/14
- So, 30/4 + 27/7 = 159/14
In mixed form: 115/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+27/7 30/4+54/7 30/8+27/7 30/4+27/14 90/4+27/7 30/4+81/7 30/12+27/7 30/4+27/21 30/20+27/7 30/4+27/35 30/28+27/7 30/4+27/49