Add 27/10 and 70/84
1st number: 2 7/10, 2nd number: 70/84
27/10 + 70/84 is 53/15.
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,
27/10 = 27 × 42/10 × 42 = 1134/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
70/84 = 70 × 5/84 × 5 = 350/420 - Add the two like fractions:
1134/420 + 350/420 = 1134 + 350/420 = 1484/420 - 1484/420 simplified gives 53/15
- So, 27/10 + 70/84 = 53/15
In mixed form: 38/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+70/84 27/20+70/84 81/10+70/84 27/30+70/84 27/50+70/84 27/70+70/84