Add 15/16 and 20/42
15/16 + 20/42 is 475/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
15/16 = 15 × 21/16 × 21 = 315/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
20/42 = 20 × 8/42 × 8 = 160/336 - Add the two like fractions:
315/336 + 160/336 = 315 + 160/336 = 475/336 - So, 15/16 + 20/42 = 475/336
In mixed form: 1139/336
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