Add 28/63 and 45/8
1st number: 28/63, 2nd number: 5 5/8
28/63 + 45/8 is 437/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
28/63 = 28 × 8/63 × 8 = 224/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
45/8 = 45 × 63/8 × 63 = 2835/504 - Add the two like fractions:
224/504 + 2835/504 = 224 + 2835/504 = 3059/504 - 3059/504 simplified gives 437/72
- So, 28/63 + 45/8 = 437/72
In mixed form: 65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+45/8 28/63+90/8 28/63+45/16 84/63+45/8 28/63+45/24 28/63+45/40 28/63+45/56