Add 54/36 and 42/72
1st number: 1 18/36, 2nd number: 42/72
54/36 + 42/72 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
54/36 = 54 × 2/36 × 2 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Add the two like fractions:
108/72 + 42/72 = 108 + 42/72 = 150/72 - 150/72 simplified gives 25/12
- So, 54/36 + 42/72 = 25/12
In mixed form: 21/12
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