Add 2/12 and 80/70
1st number: 2/12, 2nd number: 1 10/70
2/12 + 80/70 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
2/12 = 2 × 35/12 × 35 = 70/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420 - Add the two like fractions:
70/420 + 480/420 = 70 + 480/420 = 550/420 - 550/420 simplified gives 55/42
- So, 2/12 + 80/70 = 55/42
In mixed form: 113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+80/70 2/24+80/70 6/12+80/70 2/36+80/70 10/12+80/70 2/60+80/70 14/12+80/70 2/84+80/70