Add 18/4 and 27/40
1st number: 4 2/4, 2nd number: 27/40
18/4 + 27/40 is 207/40.
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,
18/4 = 18 × 10/4 × 10 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
27/40 = 27 × 1/40 × 1 = 27/40 - Add the two like fractions:
180/40 + 27/40 = 180 + 27/40 = 207/40 - So, 18/4 + 27/40 = 207/40
In mixed form: 57/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+27/40 18/4+54/40 18/8+27/40 18/4+27/80 54/4+27/40 18/4+81/40 18/12+27/40 90/4+27/40 18/20+27/40 18/28+27/40