Add 84/70 and 42/10
1st number: 1 14/70, 2nd number: 4 2/10
84/70 + 42/10 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Add the two like fractions:
84/70 + 294/70 = 84 + 294/70 = 378/70 - 378/70 simplified gives 27/5
- So, 84/70 + 42/10 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+84/10 84/70+42/20 84/70+42/30 84/70+42/50 84/70+42/70