Add 20/18 and 4/5
1st number: 1 2/18, 2nd number: 4/5
20/18 + 4/5 is 86/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
4/5 = 4 × 18/5 × 18 = 72/90 - Add the two like fractions:
100/90 + 72/90 = 100 + 72/90 = 172/90 - 172/90 simplified gives 86/45
- So, 20/18 + 4/5 = 86/45
In mixed form: 141/45
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