Add 45/18 and 42/48
1st number: 2 9/18, 2nd number: 42/48
45/18 + 42/48 is 27/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
45/18 = 45 × 8/18 × 8 = 360/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Add the two like fractions:
360/144 + 126/144 = 360 + 126/144 = 486/144 - 486/144 simplified gives 27/8
- So, 45/18 + 42/48 = 27/8
In mixed form: 33/8
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