Add 4/21 and 42/4
1st number: 4/21, 2nd number: 10 2/4
4/21 + 42/4 is 449/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
4/21 = 4 × 4/21 × 4 = 16/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
42/4 = 42 × 21/4 × 21 = 882/84 - Add the two like fractions:
16/84 + 882/84 = 16 + 882/84 = 898/84 - 898/84 simplified gives 449/42
- So, 4/21 + 42/4 = 449/42
In mixed form: 1029/42
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