Add 42/84 and 21/48
42/84 + 21/48 is 15/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
42/84 = 42 × 4/84 × 4 = 168/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
168/336 + 147/336 = 168 + 147/336 = 315/336 - 315/336 simplified gives 15/16
- So, 42/84 + 21/48 = 15/16
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