Add 84/10 and 70/18
1st number: 8 4/10, 2nd number: 3 16/18
84/10 + 70/18 is 553/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Add the two like fractions:
756/90 + 350/90 = 756 + 350/90 = 1106/90 - 1106/90 simplified gives 553/45
- So, 84/10 + 70/18 = 553/45
In mixed form: 1213/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+70/18 84/10+70/36 84/30+70/18 84/10+70/54 84/50+70/18 84/10+70/90 84/70+70/18