Add 12/54 and 84/10
1st number: 12/54, 2nd number: 8 4/10
12/54 + 84/10 is 388/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
84/10 = 84 × 27/10 × 27 = 2268/270 - Add the two like fractions:
60/270 + 2268/270 = 60 + 2268/270 = 2328/270 - 2328/270 simplified gives 388/45
- So, 12/54 + 84/10 = 388/45
In mixed form: 828/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/54+84/10 12/54+84/20 36/54+84/10 12/54+84/30 60/54+84/10 12/54+84/50 84/54+84/10 12/54+84/70