Add 70/60 and 80/14
1st number: 1 10/60, 2nd number: 5 10/14
70/60 + 80/14 is 289/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
80/14 = 80 × 30/14 × 30 = 2400/420 - Add the two like fractions:
490/420 + 2400/420 = 490 + 2400/420 = 2890/420 - 2890/420 simplified gives 289/42
- So, 70/60 + 80/14 = 289/42
In mixed form: 637/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+80/28 70/60+80/42 70/60+80/70 70/60+80/98