Add 42/6 and 21/28
1st number: 7 0/6, 2nd number: 21/28
42/6 + 21/28 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
42/6 = 42 × 14/6 × 14 = 588/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
21/28 = 21 × 3/28 × 3 = 63/84 - Add the two like fractions:
588/84 + 63/84 = 588 + 63/84 = 651/84 - 651/84 simplified gives 31/4
- So, 42/6 + 21/28 = 31/4
In mixed form: 73/4
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