Add 42/75 and 90/45
1st number: 42/75, 2nd number: 2 0/45
42/75 + 90/45 is 64/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
42/75 = 42 × 3/75 × 3 = 126/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
90/45 = 90 × 5/45 × 5 = 450/225 - Add the two like fractions:
126/225 + 450/225 = 126 + 450/225 = 576/225 - 576/225 simplified gives 64/25
- So, 42/75 + 90/45 = 64/25
In mixed form: 214/25
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