Add 20/42 and 45/16
1st number: 20/42, 2nd number: 2 13/16
20/42 + 45/16 is 1105/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
20/42 = 20 × 8/42 × 8 = 160/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
45/16 = 45 × 21/16 × 21 = 945/336 - Add the two like fractions:
160/336 + 945/336 = 160 + 945/336 = 1105/336 - So, 20/42 + 45/16 = 1105/336
In mixed form: 397/336
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