Add 70/84 and 14/10
1st number: 70/84, 2nd number: 1 4/10
70/84 + 14/10 is 67/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
70/84 = 70 × 5/84 × 5 = 350/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
14/10 = 14 × 42/10 × 42 = 588/420 - Add the two like fractions:
350/420 + 588/420 = 350 + 588/420 = 938/420 - 938/420 simplified gives 67/30
- So, 70/84 + 14/10 = 67/30
In mixed form: 27/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+28/10 70/84+14/20 70/84+42/10 70/84+14/30 70/84+70/10 70/84+14/50 70/84+98/10 70/84+14/70