Add 42/16 and 20/72
1st number: 2 10/16, 2nd number: 20/72
42/16 + 20/72 is 209/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
20/72 = 20 × 2/72 × 2 = 40/144 - Add the two like fractions:
378/144 + 40/144 = 378 + 40/144 = 418/144 - 418/144 simplified gives 209/72
- So, 42/16 + 20/72 = 209/72
In mixed form: 265/72
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