Add 20/8 and 21/54
1st number: 2 4/8, 2nd number: 21/54
20/8 + 21/54 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
20/8 = 20 × 27/8 × 27 = 540/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Add the two like fractions:
540/216 + 84/216 = 540 + 84/216 = 624/216 - 624/216 simplified gives 26/9
- So, 20/8 + 21/54 = 26/9
In mixed form: 28/9
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