Add 45/8 and 40/42
1st number: 5 5/8, 2nd number: 40/42
45/8 + 40/42 is 1105/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
45/8 = 45 × 21/8 × 21 = 945/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
40/42 = 40 × 4/42 × 4 = 160/168 - Add the two like fractions:
945/168 + 160/168 = 945 + 160/168 = 1105/168 - So, 45/8 + 40/42 = 1105/168
In mixed form: 697/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+40/42 45/8+80/42 45/16+40/42 45/8+40/84 45/24+40/42 45/40+40/42 45/56+40/42