Add 48/42 and 21/84
1st number: 1 6/42, 2nd number: 21/84
48/42 + 21/84 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
48/42 = 48 × 2/42 × 2 = 96/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Add the two like fractions:
96/84 + 21/84 = 96 + 21/84 = 117/84 - 117/84 simplified gives 39/28
- So, 48/42 + 21/84 = 39/28
In mixed form: 111/28
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