Add 30/12 and 45/8
1st number: 2 6/12, 2nd number: 5 5/8
30/12 + 45/8 is 65/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
30/12 = 30 × 2/12 × 2 = 60/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
45/8 = 45 × 3/8 × 3 = 135/24 - Add the two like fractions:
60/24 + 135/24 = 60 + 135/24 = 195/24 - 195/24 simplified gives 65/8
- So, 30/12 + 45/8 = 65/8
In mixed form: 81/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+45/8 30/12+90/8 30/24+45/8 30/12+45/16 90/12+45/8 30/36+45/8 30/12+45/24 30/60+45/8 30/12+45/40 30/84+45/8 30/12+45/56