Add 42/54 and 15/8
1st number: 42/54, 2nd number: 1 7/8
42/54 + 15/8 is 191/72.
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,
42/54 = 42 × 4/54 × 4 = 168/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
15/8 = 15 × 27/8 × 27 = 405/216 - Add the two like fractions:
168/216 + 405/216 = 168 + 405/216 = 573/216 - 573/216 simplified gives 191/72
- So, 42/54 + 15/8 = 191/72
In mixed form: 247/72
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