Add 45/75 and 42/9
1st number: 45/75, 2nd number: 4 6/9
45/75 + 42/9 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
45/75 = 45 × 3/75 × 3 = 135/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
42/9 = 42 × 25/9 × 25 = 1050/225 - Add the two like fractions:
135/225 + 1050/225 = 135 + 1050/225 = 1185/225 - 1185/225 simplified gives 79/15
- So, 45/75 + 42/9 = 79/15
In mixed form: 54/15
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