Add 90/28 and 84/8
1st number: 3 6/28, 2nd number: 10 4/8
90/28 + 84/8 is 96/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
90/28 = 90 × 2/28 × 2 = 180/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
84/8 = 84 × 7/8 × 7 = 588/56 - Add the two like fractions:
180/56 + 588/56 = 180 + 588/56 = 768/56 - 768/56 simplified gives 96/7
- So, 90/28 + 84/8 = 96/7
In mixed form: 135/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+84/8 90/28+84/16 90/84+84/8 90/28+84/24 90/28+84/40 90/28+84/56