Add 90/45 and 42/18
1st number: 2 0/45, 2nd number: 2 6/18
90/45 + 42/18 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
42/18 = 42 × 5/18 × 5 = 210/90 - Add the two like fractions:
180/90 + 210/90 = 180 + 210/90 = 390/90 - 390/90 simplified gives 13/3
- So, 90/45 + 42/18 = 13/3
In mixed form: 41/3
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