Add 84/10 and 27/84
1st number: 8 4/10, 2nd number: 27/84
84/10 + 27/84 is 1221/140.
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,
27/84 = 27 × 5/84 × 5 = 135/420 - Add the two like fractions:
3528/420 + 135/420 = 3528 + 135/420 = 3663/420 - 3663/420 simplified gives 1221/140
- So, 84/10 + 27/84 = 1221/140
In mixed form: 8101/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+54/84 84/20+27/84 84/10+81/84 84/30+27/84 84/50+27/84 84/70+27/84