Add 18/8 and 10/40
1st number: 2 2/8, 2nd number: 10/40
18/8 + 10/40 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
18/8 = 18 × 5/8 × 5 = 90/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40 - Add the two like fractions:
90/40 + 10/40 = 90 + 10/40 = 100/40 - 100/40 simplified gives 5/2
- So, 18/8 + 10/40 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+10/40 18/8+20/40 18/16+10/40 18/8+10/80 54/8+10/40 18/8+30/40 18/24+10/40 90/8+10/40 18/8+50/40 18/40+10/40 18/8+70/40 18/56+10/40