Add 72/70 and 84/10
1st number: 1 2/70, 2nd number: 8 4/10
72/70 + 84/10 is 66/7.
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,
72/70 = 72 × 1/70 × 1 = 72/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
84/10 = 84 × 7/10 × 7 = 588/70 - Add the two like fractions:
72/70 + 588/70 = 72 + 588/70 = 660/70 - 660/70 simplified gives 66/7
- So, 72/70 + 84/10 = 66/7
In mixed form: 93/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+84/20 72/70+84/30 72/70+84/50 72/70+84/70