Add 9/8 and 32/20
1st number: 1 1/8, 2nd number: 1 12/20
9/8 + 32/20 is 109/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
9/8 = 9 × 5/8 × 5 = 45/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
32/20 = 32 × 2/20 × 2 = 64/40 - Add the two like fractions:
45/40 + 64/40 = 45 + 64/40 = 109/40 - So, 9/8 + 32/20 = 109/40
In mixed form: 229/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8+32/20 9/8+64/20 9/16+32/20 9/8+32/40 27/8+32/20 9/8+96/20 9/24+32/20 9/8+32/60 45/8+32/20 9/40+32/20 63/8+32/20 9/56+32/20