Add 18/2 and 72/8
1st number: 9 0/2, 2nd number: 9 0/8
18/2 + 72/8 is 18/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
18/2 = 18 × 4/2 × 4 = 72/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
72/8 = 72 × 1/8 × 1 = 72/8 - Add the two like fractions:
72/8 + 72/8 = 72 + 72/8 = 144/8 - 144/8 simplified gives 18/1
- So, 18/2 + 72/8 = 18/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+72/8 18/4+72/8 18/2+72/16 54/2+72/8 18/6+72/8 18/2+72/24 90/2+72/8 18/10+72/8 18/2+72/40 18/14+72/8 18/2+72/56