Add 90/12 and 49/84
1st number: 7 6/12, 2nd number: 49/84
90/12 + 49/84 is 97/12.
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,
90/12 = 90 × 7/12 × 7 = 630/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
49/84 = 49 × 1/84 × 1 = 49/84 - Add the two like fractions:
630/84 + 49/84 = 630 + 49/84 = 679/84 - 679/84 simplified gives 97/12
- So, 90/12 + 49/84 = 97/12
In mixed form: 81/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+98/84 90/24+49/84 90/36+49/84 90/60+49/84 90/84+49/84