Add 20/8 and 7/84
1st number: 2 4/8, 2nd number: 7/84
20/8 + 7/84 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
20/8 = 20 × 21/8 × 21 = 420/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
7/84 = 7 × 2/84 × 2 = 14/168 - Add the two like fractions:
420/168 + 14/168 = 420 + 14/168 = 434/168 - 434/168 simplified gives 31/12
- So, 20/8 + 7/84 = 31/12
In mixed form: 27/12
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