Add 42/48 and 81/84
42/48 + 81/84 is 103/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 84 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 84 × 4 = 336,
81/84 = 81 × 4/84 × 4 = 324/336 - Add the two like fractions:
294/336 + 324/336 = 294 + 324/336 = 618/336 - 618/336 simplified gives 103/56
- So, 42/48 + 81/84 = 103/56
In mixed form: 147/56
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