Add 90/24 and 10/28
1st number: 3 18/24, 2nd number: 10/28
90/24 + 10/28 is 115/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
10/28 = 10 × 6/28 × 6 = 60/168 - Add the two like fractions:
630/168 + 60/168 = 630 + 60/168 = 690/168 - 690/168 simplified gives 115/28
- So, 90/24 + 10/28 = 115/28
In mixed form: 43/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+20/28 90/48+10/28 90/24+10/56 90/24+30/28 90/72+10/28 90/24+10/84 90/24+50/28 90/24+70/28