Add 75/4 and 42/84
1st number: 18 3/4, 2nd number: 42/84
75/4 + 42/84 is 77/4.
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,
75/4 = 75 × 21/4 × 21 = 1575/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Add the two like fractions:
1575/84 + 42/84 = 1575 + 42/84 = 1617/84 - 1617/84 simplified gives 77/4
- So, 75/4 + 42/84 = 77/4
In mixed form: 191/4
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