Add 20/36 and 21/24
20/36 + 21/24 is 103/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
20/36 = 20 × 2/36 × 2 = 40/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Add the two like fractions:
40/72 + 63/72 = 40 + 63/72 = 103/72 - So, 20/36 + 21/24 = 103/72
In mixed form: 131/72
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