Add 84/12 and 2/80
1st number: 7 0/12, 2nd number: 2/80
84/12 + 2/80 is 281/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
84/12 = 84 × 20/12 × 20 = 1680/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
2/80 = 2 × 3/80 × 3 = 6/240 - Add the two like fractions:
1680/240 + 6/240 = 1680 + 6/240 = 1686/240 - 1686/240 simplified gives 281/40
- So, 84/12 + 2/80 = 281/40
In mixed form: 71/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+4/80 84/24+2/80 84/12+6/80 84/36+2/80 84/12+10/80 84/60+2/80 84/12+14/80