Add 18/42 and 40/16
1st number: 18/42, 2nd number: 2 8/16
18/42 + 40/16 is 41/14.
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,
18/42 = 18 × 8/42 × 8 = 144/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
40/16 = 40 × 21/16 × 21 = 840/336 - Add the two like fractions:
144/336 + 840/336 = 144 + 840/336 = 984/336 - 984/336 simplified gives 41/14
- So, 18/42 + 40/16 = 41/14
In mixed form: 213/14
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