Add 54/18 and 42/90
1st number: 3 0/18, 2nd number: 42/90
54/18 + 42/90 is 52/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
54/18 = 54 × 5/18 × 5 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Add the two like fractions:
270/90 + 42/90 = 270 + 42/90 = 312/90 - 312/90 simplified gives 52/15
- So, 54/18 + 42/90 = 52/15
In mixed form: 37/15
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