Add 84/54 and 18/5
1st number: 1 30/54, 2nd number: 3 3/5
84/54 + 18/5 is 232/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
84/54 = 84 × 5/54 × 5 = 420/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
18/5 = 18 × 54/5 × 54 = 972/270 - Add the two like fractions:
420/270 + 972/270 = 420 + 972/270 = 1392/270 - 1392/270 simplified gives 232/45
- So, 84/54 + 18/5 = 232/45
In mixed form: 57/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+36/5 84/54+18/10 84/54+54/5 84/54+18/15 84/54+90/5 84/54+18/25 84/54+18/35