Add 18/8 and 40/56
1st number: 2 2/8, 2nd number: 40/56
18/8 + 40/56 is 83/28.
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,
18/8 = 18 × 7/8 × 7 = 126/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
40/56 = 40 × 1/56 × 1 = 40/56 - Add the two like fractions:
126/56 + 40/56 = 126 + 40/56 = 166/56 - 166/56 simplified gives 83/28
- So, 18/8 + 40/56 = 83/28
In mixed form: 227/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+40/56 18/8+80/56 18/16+40/56 54/8+40/56 18/24+40/56 90/8+40/56 18/40+40/56 18/56+40/56