Add 90/12 and 84/32
1st number: 7 6/12, 2nd number: 2 20/32
90/12 + 84/32 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 12 × 8 = 96,
90/12 = 90 × 8/12 × 8 = 720/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
84/32 = 84 × 3/32 × 3 = 252/96 - Add the two like fractions:
720/96 + 252/96 = 720 + 252/96 = 972/96 - 972/96 simplified gives 81/8
- So, 90/12 + 84/32 = 81/8
In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+84/32 90/12+84/64 90/36+84/32 90/12+84/96 90/60+84/32 90/84+84/32