Add 84/10 and 70/4
1st number: 8 4/10, 2nd number: 17 2/4
84/10 + 70/4 is 259/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
84/10 = 84 × 2/10 × 2 = 168/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
70/4 = 70 × 5/4 × 5 = 350/20 - Add the two like fractions:
168/20 + 350/20 = 168 + 350/20 = 518/20 - 518/20 simplified gives 259/10
- So, 84/10 + 70/4 = 259/10
In mixed form: 259/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+70/4 84/10+70/8 84/30+70/4 84/10+70/12 84/50+70/4 84/10+70/20 84/70+70/4 84/10+70/28