Add 72/40 and 1/8
1st number: 1 32/40, 2nd number: 1/8
72/40 + 1/8 is 77/40.
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,
72/40 = 72 × 1/40 × 1 = 72/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
1/8 = 1 × 5/8 × 5 = 5/40 - Add the two like fractions:
72/40 + 5/40 = 72 + 5/40 = 77/40 - So, 72/40 + 1/8 = 77/40
In mixed form: 137/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+2/8 72/80+1/8 72/40+1/16 72/40+3/8 72/40+1/24 72/40+5/8 72/40+1/40 72/40+7/8 72/40+1/56