Add 63/4 and 90/28
1st number: 15 3/4, 2nd number: 3 6/28
63/4 + 90/28 is 531/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
63/4 = 63 × 7/4 × 7 = 441/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Add the two like fractions:
441/28 + 90/28 = 441 + 90/28 = 531/28 - So, 63/4 + 90/28 = 531/28
In mixed form: 1827/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+90/28 63/4+90/56 63/12+90/28 63/4+90/84 63/20+90/28 63/28+90/28