Add 84/70 and 81/7
1st number: 1 14/70, 2nd number: 11 4/7
84/70 + 81/7 is 447/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 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 7 × 10 = 70,
81/7 = 81 × 10/7 × 10 = 810/70 - Add the two like fractions:
84/70 + 810/70 = 84 + 810/70 = 894/70 - 894/70 simplified gives 447/35
- So, 84/70 + 81/7 = 447/35
In mixed form: 1227/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+81/14 84/70+81/21 84/70+81/35 84/70+81/49