Add 20/18 and 42/16
1st number: 1 2/18, 2nd number: 2 10/16
20/18 + 42/16 is 269/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
20/18 = 20 × 8/18 × 8 = 160/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Add the two like fractions:
160/144 + 378/144 = 160 + 378/144 = 538/144 - 538/144 simplified gives 269/72
- So, 20/18 + 42/16 = 269/72
In mixed form: 353/72
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