Add 84/54 and 10/45
1st number: 1 30/54, 2nd number: 10/45
84/54 + 10/45 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 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 45 × 6 = 270,
10/45 = 10 × 6/45 × 6 = 60/270 - Add the two like fractions:
420/270 + 60/270 = 420 + 60/270 = 480/270 - 480/270 simplified gives 16/9
- So, 84/54 + 10/45 = 16/9
In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+20/45 84/54+10/90 84/54+30/45 84/54+50/45 84/54+70/45