Add 20/54 and 21/8
1st number: 20/54, 2nd number: 2 5/8
20/54 + 21/8 is 647/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Add the two like fractions:
80/216 + 567/216 = 80 + 567/216 = 647/216 - So, 20/54 + 21/8 = 647/216
In mixed form: 2215/216
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