Add 9/4 and 18/63
1st number: 2 1/4, 2nd number: 18/63
9/4 + 18/63 is 71/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
9/4 = 9 × 63/4 × 63 = 567/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Add the two like fractions:
567/252 + 72/252 = 567 + 72/252 = 639/252 - 639/252 simplified gives 71/28
- So, 9/4 + 18/63 = 71/28
In mixed form: 215/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4+18/63 9/4+36/63 9/8+18/63 27/4+18/63 9/4+54/63 9/12+18/63 45/4+18/63 9/4+90/63 9/20+18/63 63/4+18/63 9/28+18/63