Add 90/6 and 20/72
1st number: 15 0/6, 2nd number: 20/72
90/6 + 20/72 is 275/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
90/6 = 90 × 12/6 × 12 = 1080/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
1080/72 + 20/72 = 1080 + 20/72 = 1100/72 - 1100/72 simplified gives 275/18
- So, 90/6 + 20/72 = 275/18
In mixed form: 155/18
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