Add 84/70 and 25/12
1st number: 1 14/70, 2nd number: 2 1/12
84/70 + 25/12 is 197/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
84/70 = 84 × 6/70 × 6 = 504/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
25/12 = 25 × 35/12 × 35 = 875/420 - Add the two like fractions:
504/420 + 875/420 = 504 + 875/420 = 1379/420 - 1379/420 simplified gives 197/60
- So, 84/70 + 25/12 = 197/60
In mixed form: 317/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+50/12 84/70+25/24 84/70+75/12 84/70+25/36 84/70+25/60 84/70+25/84