Add 12/84 and 1/10
12/84 + 1/10 is 17/70.
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,
1/10 = 1 × 42/10 × 42 = 42/420 - Add the two like fractions:
60/420 + 42/420 = 60 + 42/420 = 102/420 - 102/420 simplified gives 17/70
- So, 12/84 + 1/10 = 17/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+1/10 12/84+2/10 12/84+1/20 36/84+1/10 12/84+3/10 12/84+1/30 60/84+1/10 12/84+5/10 12/84+1/50 12/84+7/10 12/84+1/70