Add 84/10 and 45/7
1st number: 8 4/10, 2nd number: 6 3/7
84/10 + 45/7 is 519/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
84/10 = 84 × 7/10 × 7 = 588/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
45/7 = 45 × 10/7 × 10 = 450/70 - Add the two like fractions:
588/70 + 450/70 = 588 + 450/70 = 1038/70 - 1038/70 simplified gives 519/35
- So, 84/10 + 45/7 = 519/35
In mixed form: 1429/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+90/7 84/20+45/7 84/10+45/14 84/30+45/7 84/10+45/21 84/50+45/7 84/10+45/35 84/70+45/7 84/10+45/49