Add 27/4 and 9/40
1st number: 6 3/4, 2nd number: 9/40
27/4 + 9/40 is 279/40.
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,
27/4 = 27 × 10/4 × 10 = 270/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
9/40 = 9 × 1/40 × 1 = 9/40 - Add the two like fractions:
270/40 + 9/40 = 270 + 9/40 = 279/40 - So, 27/4 + 9/40 = 279/40
In mixed form: 639/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+9/40 27/4+18/40 27/8+9/40 27/4+9/80 81/4+9/40 27/4+27/40 27/12+9/40 27/4+45/40 27/20+9/40 27/4+63/40 27/28+9/40