Add 20/18 and 18/72
1st number: 1 2/18, 2nd number: 18/72
20/18 + 18/72 is 49/36.
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,
20/18 = 20 × 4/18 × 4 = 80/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Add the two like fractions:
80/72 + 18/72 = 80 + 18/72 = 98/72 - 98/72 simplified gives 49/36
- So, 20/18 + 18/72 = 49/36
In mixed form: 113/36
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