Add 12/84 and 2/10
12/84 + 2/10 is 12/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
2/10 = 2 × 42/10 × 42 = 84/420 - Add the two like fractions:
60/420 + 84/420 = 60 + 84/420 = 144/420 - 144/420 simplified gives 12/35
- So, 12/84 + 2/10 = 12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+2/10 12/84+4/10 12/84+2/20 36/84+2/10 12/84+6/10 12/84+2/30 60/84+2/10 12/84+2/50 12/84+14/10 12/84+2/70