Add 12/5 and 54/42
1st number: 2 2/5, 2nd number: 1 12/42
12/5 + 54/42 is 129/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
12/5 = 12 × 42/5 × 42 = 504/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Add the two like fractions:
504/210 + 270/210 = 504 + 270/210 = 774/210 - 774/210 simplified gives 129/35
- So, 12/5 + 54/42 = 129/35
In mixed form: 324/35
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