Add 45/70 and 54/42
1st number: 45/70, 2nd number: 1 12/42
45/70 + 54/42 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
45/70 = 45 × 3/70 × 3 = 135/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Add the two like fractions:
135/210 + 270/210 = 135 + 270/210 = 405/210 - 405/210 simplified gives 27/14
- So, 45/70 + 54/42 = 27/14
In mixed form: 113/14
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