Add 90/28 and 20/10
1st number: 3 6/28, 2nd number: 2 0/10
90/28 + 20/10 is 73/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 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 10 × 14 = 140,
20/10 = 20 × 14/10 × 14 = 280/140 - Add the two like fractions:
450/140 + 280/140 = 450 + 280/140 = 730/140 - 730/140 simplified gives 73/14
- So, 90/28 + 20/10 = 73/14
In mixed form: 53/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+40/10 90/56+20/10 90/28+60/10 90/84+20/10 90/28+20/30 90/28+20/50 90/28+20/70