Add 3/28 and 90/5
1st number: 3/28, 2nd number: 18 0/5
3/28 + 90/5 is 507/28.
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,
3/28 = 3 × 5/28 × 5 = 15/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
90/5 = 90 × 28/5 × 28 = 2520/140 - Add the two like fractions:
15/140 + 2520/140 = 15 + 2520/140 = 2535/140 - 2535/140 simplified gives 507/28
- So, 3/28 + 90/5 = 507/28
In mixed form: 183/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+90/5 3/56+90/5 3/28+90/10 9/28+90/5 3/84+90/5 3/28+90/15 15/28+90/5 3/28+90/25 21/28+90/5 3/28+90/35