Add 12/84 and 8/10
12/84 + 8/10 is 33/35.
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,
8/10 = 8 × 42/10 × 42 = 336/420 - Add the two like fractions:
60/420 + 336/420 = 60 + 336/420 = 396/420 - 396/420 simplified gives 33/35
- So, 12/84 + 8/10 = 33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+8/10 12/84+16/10 12/84+8/20 36/84+8/10 12/84+24/10 12/84+8/30 60/84+8/10 12/84+40/10 12/84+8/50 12/84+56/10 12/84+8/70