Add 40/4 and 9/72
1st number: 10 0/4, 2nd number: 9/72
40/4 + 9/72 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
40/4 = 40 × 18/4 × 18 = 720/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Add the two like fractions:
720/72 + 9/72 = 720 + 9/72 = 729/72 - 729/72 simplified gives 81/8
- So, 40/4 + 9/72 = 81/8
In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+9/72 40/4+18/72 40/8+9/72 40/4+27/72 40/12+9/72 40/4+45/72 40/20+9/72 40/4+63/72 40/28+9/72