Add 42/2 and 27/45
1st number: 21 0/2, 2nd number: 27/45
42/2 + 27/45 is 108/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
42/2 = 42 × 45/2 × 45 = 1890/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
27/45 = 27 × 2/45 × 2 = 54/90 - Add the two like fractions:
1890/90 + 54/90 = 1890 + 54/90 = 1944/90 - 1944/90 simplified gives 108/5
- So, 42/2 + 27/45 = 108/5
In mixed form: 213/5
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