Add 15/8 and 20/54
1st number: 1 7/8, 2nd number: 20/54
15/8 + 20/54 is 485/216.
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,
15/8 = 15 × 27/8 × 27 = 405/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Add the two like fractions:
405/216 + 80/216 = 405 + 80/216 = 485/216 - So, 15/8 + 20/54 = 485/216
In mixed form: 253/216
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