Add 72/6 and 20/90
1st number: 12 0/6, 2nd number: 20/90
72/6 + 20/90 is 110/9.
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,
72/6 = 72 × 15/6 × 15 = 1080/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Add the two like fractions:
1080/90 + 20/90 = 1080 + 20/90 = 1100/90 - 1100/90 simplified gives 110/9
- So, 72/6 + 20/90 = 110/9
In mixed form: 122/9
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