Add 84/10 and 12/84
1st number: 8 4/10, 2nd number: 12/84
84/10 + 12/84 is 299/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
84/10 = 84 × 42/10 × 42 = 3528/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Add the two like fractions:
3528/420 + 60/420 = 3528 + 60/420 = 3588/420 - 3588/420 simplified gives 299/35
- So, 84/10 + 12/84 = 299/35
In mixed form: 819/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+24/84 84/20+12/84 84/10+36/84 84/30+12/84 84/10+60/84 84/50+12/84 84/70+12/84