Add 75/18 and 20/90
1st number: 4 3/18, 2nd number: 20/90
75/18 + 20/90 is 79/18.
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,
75/18 = 75 × 5/18 × 5 = 375/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Add the two like fractions:
375/90 + 20/90 = 375 + 20/90 = 395/90 - 395/90 simplified gives 79/18
- So, 75/18 + 20/90 = 79/18
In mixed form: 47/18
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