Add 98/84 and 18/30
1st number: 1 14/84, 2nd number: 18/30
98/84 + 18/30 is 53/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 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 30 × 14 = 420,
18/30 = 18 × 14/30 × 14 = 252/420 - Add the two like fractions:
490/420 + 252/420 = 490 + 252/420 = 742/420 - 742/420 simplified gives 53/30
- So, 98/84 + 18/30 = 53/30
In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84+36/30 98/84+18/60 98/84+54/30 98/84+18/90 98/84+90/30