Add 28/24 and 45/63
1st number: 1 4/24, 2nd number: 45/63
28/24 + 45/63 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 24 × 21 = 504,
28/24 = 28 × 21/24 × 21 = 588/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
45/63 = 45 × 8/63 × 8 = 360/504 - Add the two like fractions:
588/504 + 360/504 = 588 + 360/504 = 948/504 - 948/504 simplified gives 79/42
- So, 28/24 + 45/63 = 79/42
In mixed form: 137/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24+45/63 28/24+90/63 28/48+45/63 84/24+45/63 28/72+45/63