Add 90/28 and 12/75
1st number: 3 6/28, 2nd number: 12/75
90/28 + 12/75 is 1181/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
90/28 = 90 × 75/28 × 75 = 6750/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
12/75 = 12 × 28/75 × 28 = 336/2100 - Add the two like fractions:
6750/2100 + 336/2100 = 6750 + 336/2100 = 7086/2100 - 7086/2100 simplified gives 1181/350
- So, 90/28 + 12/75 = 1181/350
In mixed form: 3131/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+24/75 90/56+12/75 90/28+36/75 90/84+12/75 90/28+60/75 90/28+84/75