Add 54/4 and 2/5
1st number: 13 2/4, 2nd number: 2/5
54/4 + 2/5 is 139/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
54/4 = 54 × 5/4 × 5 = 270/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
2/5 = 2 × 4/5 × 4 = 8/20 - Add the two like fractions:
270/20 + 8/20 = 270 + 8/20 = 278/20 - 278/20 simplified gives 139/10
- So, 54/4 + 2/5 = 139/10
In mixed form: 139/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+4/5 54/8+2/5 54/4+2/10 54/4+6/5 54/12+2/5 54/4+2/15 54/4+10/5 54/20+2/5 54/4+2/25 54/4+14/5 54/28+2/5 54/4+2/35