Add 90/2 and 30/28
1st number: 45 0/2, 2nd number: 1 2/28
90/2 + 30/28 is 645/14.
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,
30/28 = 30 × 1/28 × 1 = 30/28 - Add the two like fractions:
1260/28 + 30/28 = 1260 + 30/28 = 1290/28 - 1290/28 simplified gives 645/14
- So, 90/2 + 30/28 = 645/14
In mixed form: 461/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+60/28 90/4+30/28 90/2+30/56 90/2+90/28 90/6+30/28 90/2+30/84 90/10+30/28 90/14+30/28