Add 30/36 and 7/4
1st number: 30/36, 2nd number: 1 3/4
30/36 + 7/4 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
30/36 = 30 × 1/36 × 1 = 30/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
7/4 = 7 × 9/4 × 9 = 63/36 - Add the two like fractions:
30/36 + 63/36 = 30 + 63/36 = 93/36 - 93/36 simplified gives 31/12
- So, 30/36 + 7/4 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+7/4 30/36+14/4 30/72+7/4 30/36+7/8 90/36+7/4 30/36+21/4 30/36+7/12 30/36+35/4 30/36+7/20 30/36+49/4 30/36+7/28