Add 30/4 and 7/84
1st number: 7 2/4, 2nd number: 7/84
30/4 + 7/84 is 91/12.
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,
30/4 = 30 × 21/4 × 21 = 630/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Add the two like fractions:
630/84 + 7/84 = 630 + 7/84 = 637/84 - 637/84 simplified gives 91/12
- So, 30/4 + 7/84 = 91/12
In mixed form: 77/12
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