Add 4/84 and 98/70
1st number: 4/84, 2nd number: 1 28/70
4/84 + 98/70 is 152/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
98/70 = 98 × 6/70 × 6 = 588/420 - Add the two like fractions:
20/420 + 588/420 = 20 + 588/420 = 608/420 - 608/420 simplified gives 152/105
- So, 4/84 + 98/70 = 152/105
In mixed form: 147/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+98/70 12/84+98/70 20/84+98/70 28/84+98/70