Add 98/12 and 90/84
1st number: 8 2/12, 2nd number: 1 6/84
98/12 + 90/84 is 194/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
686/84 + 90/84 = 686 + 90/84 = 776/84 - 776/84 simplified gives 194/21
- So, 98/12 + 90/84 = 194/21
In mixed form: 95/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/24+90/84 98/36+90/84 98/60+90/84 98/84+90/84