Add 54/4 and 42/72
1st number: 13 2/4, 2nd number: 42/72
54/4 + 42/72 is 169/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
54/4 = 54 × 18/4 × 18 = 972/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Add the two like fractions:
972/72 + 42/72 = 972 + 42/72 = 1014/72 - 1014/72 simplified gives 169/12
- So, 54/4 + 42/72 = 169/12
In mixed form: 141/12
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