Add 30/8 and 45/56
1st number: 3 6/8, 2nd number: 45/56
30/8 + 45/56 is 255/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
30/8 = 30 × 7/8 × 7 = 210/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Add the two like fractions:
210/56 + 45/56 = 210 + 45/56 = 255/56 - So, 30/8 + 45/56 = 255/56
In mixed form: 431/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+45/56 30/8+90/56 30/16+45/56 90/8+45/56 30/24+45/56 30/40+45/56 30/56+45/56