Add 54/4 and 84/20
1st number: 13 2/4, 2nd number: 4 4/20
54/4 + 84/20 is 177/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 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 20 × 1 = 20,
84/20 = 84 × 1/20 × 1 = 84/20 - Add the two like fractions:
270/20 + 84/20 = 270 + 84/20 = 354/20 - 354/20 simplified gives 177/10
- So, 54/4 + 84/20 = 177/10
In mixed form: 177/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+84/20 54/4+84/40 54/12+84/20 54/4+84/60 54/20+84/20 54/28+84/20