Add 27/4 and 18/40
1st number: 6 3/4, 2nd number: 18/40
27/4 + 18/40 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
27/4 = 27 × 10/4 × 10 = 270/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Add the two like fractions:
270/40 + 18/40 = 270 + 18/40 = 288/40 - 288/40 simplified gives 36/5
- So, 27/4 + 18/40 = 36/5
In mixed form: 71/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+18/40 27/4+36/40 27/8+18/40 27/4+18/80 81/4+18/40 27/4+54/40 27/12+18/40 27/4+90/40 27/20+18/40 27/28+18/40