Add 36/8 and 72/18
1st number: 4 4/8, 2nd number: 4 0/18
36/8 + 72/18 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
36/8 = 36 × 9/8 × 9 = 324/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
72/18 = 72 × 4/18 × 4 = 288/72 - Add the two like fractions:
324/72 + 288/72 = 324 + 288/72 = 612/72 - 612/72 simplified gives 17/2
- So, 36/8 + 72/18 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+72/18 36/16+72/18 36/8+72/36 36/24+72/18 36/8+72/54 36/40+72/18 36/8+72/90 36/56+72/18