Add 98/84 and 6/20
1st number: 1 14/84, 2nd number: 6/20
98/84 + 6/20 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
98/84 = 98 × 5/84 × 5 = 490/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
6/20 = 6 × 21/20 × 21 = 126/420 - Add the two like fractions:
490/420 + 126/420 = 490 + 126/420 = 616/420 - 616/420 simplified gives 22/15
- So, 98/84 + 6/20 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84+12/20 98/84+6/40 98/84+18/20 98/84+6/60 98/84+30/20 98/84+42/20