Add 20/72 and 25/16
1st number: 20/72, 2nd number: 1 9/16
20/72 + 25/16 is 265/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
20/72 = 20 × 2/72 × 2 = 40/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
25/16 = 25 × 9/16 × 9 = 225/144 - Add the two like fractions:
40/144 + 225/144 = 40 + 225/144 = 265/144 - So, 20/72 + 25/16 = 265/144
In mixed form: 1121/144
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