Add 3/42 and 21/48
3/42 + 21/48 is 57/112.
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,
3/42 = 3 × 8/42 × 8 = 24/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
24/336 + 147/336 = 24 + 147/336 = 171/336 - 171/336 simplified gives 57/112
- So, 3/42 + 21/48 = 57/112
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