Add 30/4 and 45/8
1st number: 7 2/4, 2nd number: 5 5/8
30/4 + 45/8 is 105/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
30/4 = 30 × 2/4 × 2 = 60/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
45/8 = 45 × 1/8 × 1 = 45/8 - Add the two like fractions:
60/8 + 45/8 = 60 + 45/8 = 105/8 - So, 30/4 + 45/8 = 105/8
In mixed form: 131/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+45/8 30/4+90/8 30/8+45/8 30/4+45/16 90/4+45/8 30/12+45/8 30/4+45/24 30/20+45/8 30/4+45/40 30/28+45/8 30/4+45/56