Add 81/10 and 84/70
1st number: 8 1/10, 2nd number: 1 14/70
81/10 + 84/70 is 93/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Add the two like fractions:
567/70 + 84/70 = 567 + 84/70 = 651/70 - 651/70 simplified gives 93/10
- So, 81/10 + 84/70 = 93/10
In mixed form: 93/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20+84/70 81/30+84/70 81/50+84/70 81/70+84/70