Add 25/42 and 21/48
25/42 + 21/48 is 347/336.
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,
25/42 = 25 × 8/42 × 8 = 200/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
200/336 + 147/336 = 200 + 147/336 = 347/336 - So, 25/42 + 21/48 = 347/336
In mixed form: 111/336
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