Add 3/84 and 27/10
1st number: 3/84, 2nd number: 2 7/10
3/84 + 27/10 is 383/140.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
27/10 = 27 × 42/10 × 42 = 1134/420 - Add the two like fractions:
15/420 + 1134/420 = 15 + 1134/420 = 1149/420 - 1149/420 simplified gives 383/140
- So, 3/84 + 27/10 = 383/140
In mixed form: 2103/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+27/10 3/84+54/10 3/84+27/20 9/84+27/10 3/84+81/10 3/84+27/30 15/84+27/10 3/84+27/50 21/84+27/10 3/84+27/70