Add 42/18 and 4/72
1st number: 2 6/18, 2nd number: 4/72
42/18 + 4/72 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Add the two like fractions:
168/72 + 4/72 = 168 + 4/72 = 172/72 - 172/72 simplified gives 43/18
- So, 42/18 + 4/72 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+4/72 42/18+8/72 42/36+4/72 42/18+12/72 42/54+4/72 42/18+20/72 42/90+4/72 42/18+28/72