Add 12/10 and 54/42
1st number: 1 2/10, 2nd number: 1 12/42
12/10 + 54/42 is 87/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Add the two like fractions:
252/210 + 270/210 = 252 + 270/210 = 522/210 - 522/210 simplified gives 87/35
- So, 12/10 + 54/42 = 87/35
In mixed form: 217/35
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