Add 45/6 and 18/40
1st number: 7 3/6, 2nd number: 18/40
45/6 + 18/40 is 159/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
45/6 = 45 × 20/6 × 20 = 900/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Add the two like fractions:
900/120 + 54/120 = 900 + 54/120 = 954/120 - 954/120 simplified gives 159/20
- So, 45/6 + 18/40 = 159/20
In mixed form: 719/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+18/40 45/6+36/40 45/12+18/40 45/6+18/80 45/6+54/40 45/18+18/40 45/6+90/40 45/30+18/40 45/42+18/40