Add 80/18 and 21/4
1st number: 4 8/18, 2nd number: 5 1/4
80/18 + 21/4 is 349/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
80/18 = 80 × 2/18 × 2 = 160/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
21/4 = 21 × 9/4 × 9 = 189/36 - Add the two like fractions:
160/36 + 189/36 = 160 + 189/36 = 349/36 - So, 80/18 + 21/4 = 349/36
In mixed form: 925/36
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