Add 12/10 and 45/27
1st number: 1 2/10, 2nd number: 1 18/27
12/10 + 45/27 is 43/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
12/10 = 12 × 27/10 × 27 = 324/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
45/27 = 45 × 10/27 × 10 = 450/270 - Add the two like fractions:
324/270 + 450/270 = 324 + 450/270 = 774/270 - 774/270 simplified gives 43/15
- So, 12/10 + 45/27 = 43/15
In mixed form: 213/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+45/27 12/10+90/27 12/20+45/27 12/10+45/54 36/10+45/27 12/30+45/27 12/10+45/81 60/10+45/27 12/50+45/27 84/10+45/27 12/70+45/27