Add 90/2 and 12/28
1st number: 45 0/2, 2nd number: 12/28
90/2 + 12/28 is 318/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
90/2 = 90 × 14/2 × 14 = 1260/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
12/28 = 12 × 1/28 × 1 = 12/28 - Add the two like fractions:
1260/28 + 12/28 = 1260 + 12/28 = 1272/28 - 1272/28 simplified gives 318/7
- So, 90/2 + 12/28 = 318/7
In mixed form: 453/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+24/28 90/4+12/28 90/2+12/56 90/2+36/28 90/6+12/28 90/2+12/84 90/2+60/28 90/10+12/28 90/2+84/28 90/14+12/28