Add 42/40 and 75/8
1st number: 1 2/40, 2nd number: 9 3/8
42/40 + 75/8 is 417/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
75/8 = 75 × 5/8 × 5 = 375/40 - Add the two like fractions:
42/40 + 375/40 = 42 + 375/40 = 417/40 - So, 42/40 + 75/8 = 417/40
In mixed form: 1017/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+75/8 42/80+75/8 42/40+75/16 42/40+75/24 42/40+75/40 42/40+75/56