Add 21/8 and 75/36
1st number: 2 5/8, 2nd number: 2 3/36
21/8 + 75/36 is 113/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
21/8 = 21 × 9/8 × 9 = 189/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
75/36 = 75 × 2/36 × 2 = 150/72 - Add the two like fractions:
189/72 + 150/72 = 189 + 150/72 = 339/72 - 339/72 simplified gives 113/24
- So, 21/8 + 75/36 = 113/24
In mixed form: 417/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8+75/36 21/16+75/36 21/8+75/72 63/8+75/36 21/24+75/36 21/40+75/36 21/56+75/36