Add 84/6 and 20/90
1st number: 14 0/6, 2nd number: 20/90
84/6 + 20/90 is 128/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
84/6 = 84 × 15/6 × 15 = 1260/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Add the two like fractions:
1260/90 + 20/90 = 1260 + 20/90 = 1280/90 - 1280/90 simplified gives 128/9
- So, 84/6 + 20/90 = 128/9
In mixed form: 142/9
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