Add 42/4 and 21/84
1st number: 10 2/4, 2nd number: 21/84
42/4 + 21/84 is 43/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
42/4 = 42 × 21/4 × 21 = 882/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Add the two like fractions:
882/84 + 21/84 = 882 + 21/84 = 903/84 - 903/84 simplified gives 43/4
- So, 42/4 + 21/84 = 43/4
In mixed form: 103/4
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