Add 40/7 and 75/8
1st number: 5 5/7, 2nd number: 9 3/8
40/7 + 75/8 is 845/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
40/7 = 40 × 8/7 × 8 = 320/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
75/8 = 75 × 7/8 × 7 = 525/56 - Add the two like fractions:
320/56 + 525/56 = 320 + 525/56 = 845/56 - So, 40/7 + 75/8 = 845/56
In mixed form: 155/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+75/8 40/14+75/8 40/7+75/16 40/21+75/8 40/7+75/24 40/35+75/8 40/7+75/40 40/49+75/8 40/7+75/56