Add 12/27 and 45/35
1st number: 12/27, 2nd number: 1 10/35
12/27 + 45/35 is 109/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
12/27 = 12 × 35/27 × 35 = 420/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
45/35 = 45 × 27/35 × 27 = 1215/945 - Add the two like fractions:
420/945 + 1215/945 = 420 + 1215/945 = 1635/945 - 1635/945 simplified gives 109/63
- So, 12/27 + 45/35 = 109/63
In mixed form: 146/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+45/35 12/27+90/35 12/54+45/35 12/27+45/70 36/27+45/35 12/81+45/35 60/27+45/35 84/27+45/35