Add 70/10 and 80/14
1st number: 7 0/10, 2nd number: 5 10/14
70/10 + 80/14 is 89/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
70/10 = 70 × 7/10 × 7 = 490/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
80/14 = 80 × 5/14 × 5 = 400/70 - Add the two like fractions:
490/70 + 400/70 = 490 + 400/70 = 890/70 - 890/70 simplified gives 89/7
- So, 70/10 + 80/14 = 89/7
In mixed form: 125/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+80/14 70/10+80/28 70/30+80/14 70/10+80/42 70/50+80/14 70/10+80/70 70/10+80/98