Add 42/36 and 90/20
1st number: 1 6/36, 2nd number: 4 10/20
42/36 + 90/20 is 17/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Add the two like fractions:
210/180 + 810/180 = 210 + 810/180 = 1020/180 - 1020/180 simplified gives 17/3
- So, 42/36 + 90/20 = 17/3
In mixed form: 52/3
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