Add 42/48 and 54/21
1st number: 42/48, 2nd number: 2 12/21
42/48 + 54/21 is 193/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
42/48 = 42 × 7/48 × 7 = 294/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
54/21 = 54 × 16/21 × 16 = 864/336 - Add the two like fractions:
294/336 + 864/336 = 294 + 864/336 = 1158/336 - 1158/336 simplified gives 193/56
- So, 42/48 + 54/21 = 193/56
In mixed form: 325/56
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