Add 45/14 and 90/28
1st number: 3 3/14, 2nd number: 3 6/28
45/14 + 90/28 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
45/14 = 45 × 2/14 × 2 = 90/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Add the two like fractions:
90/28 + 90/28 = 90 + 90/28 = 180/28 - 180/28 simplified gives 45/7
- So, 45/14 + 90/28 = 45/7
In mixed form: 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+90/28 45/28+90/28 45/14+90/56 45/42+90/28 45/14+90/84 45/70+90/28 45/98+90/28