Add 18/42 and 42/48
18/42 + 42/48 is 73/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 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 48 × 7 = 336,
42/48 = 42 × 7/48 × 7 = 294/336 - Add the two like fractions:
144/336 + 294/336 = 144 + 294/336 = 438/336 - 438/336 simplified gives 73/56
- So, 18/42 + 42/48 = 73/56
In mixed form: 117/56
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