Add 90/28 and 1/5
1st number: 3 6/28, 2nd number: 1/5
90/28 + 1/5 is 239/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
1/5 = 1 × 28/5 × 28 = 28/140 - Add the two like fractions:
450/140 + 28/140 = 450 + 28/140 = 478/140 - 478/140 simplified gives 239/70
- So, 90/28 + 1/5 = 239/70
In mixed form: 329/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+2/5 90/56+1/5 90/28+1/10 90/28+3/5 90/84+1/5 90/28+1/15 90/28+1/25 90/28+7/5 90/28+1/35