Add 63/42 and 18/16
1st number: 1 21/42, 2nd number: 1 2/16
63/42 + 18/16 is 21/8.
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,
63/42 = 63 × 8/42 × 8 = 504/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
18/16 = 18 × 21/16 × 21 = 378/336 - Add the two like fractions:
504/336 + 378/336 = 504 + 378/336 = 882/336 - 882/336 simplified gives 21/8
- So, 63/42 + 18/16 = 21/8
In mixed form: 25/8
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