Add 42/54 and 36/72
42/54 + 36/72 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 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 72 × 3 = 216,
36/72 = 36 × 3/72 × 3 = 108/216 - Add the two like fractions:
168/216 + 108/216 = 168 + 108/216 = 276/216 - 276/216 simplified gives 23/18
- So, 42/54 + 36/72 = 23/18
In mixed form: 15/18
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