Add 42/36 and 20/45
1st number: 1 6/36, 2nd number: 20/45
42/36 + 20/45 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 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 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Add the two like fractions:
210/180 + 80/180 = 210 + 80/180 = 290/180 - 290/180 simplified gives 29/18
- So, 42/36 + 20/45 = 29/18
In mixed form: 111/18
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