Add 21/4 and 6/40
1st number: 5 1/4, 2nd number: 6/40
21/4 + 6/40 is 27/5.
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,
21/4 = 21 × 10/4 × 10 = 210/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
6/40 = 6 × 1/40 × 1 = 6/40 - Add the two like fractions:
210/40 + 6/40 = 210 + 6/40 = 216/40 - 216/40 simplified gives 27/5
- So, 21/4 + 6/40 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+6/40 21/4+12/40 21/8+6/40 21/4+6/80 63/4+6/40 21/4+18/40 21/12+6/40 21/4+30/40 21/20+6/40 21/4+42/40 21/28+6/40