Add 70/72 and 90/12
1st number: 70/72, 2nd number: 7 6/12
70/72 + 90/12 is 305/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
90/12 = 90 × 6/12 × 6 = 540/72 - Add the two like fractions:
70/72 + 540/72 = 70 + 540/72 = 610/72 - 610/72 simplified gives 305/36
- So, 70/72 + 90/12 = 305/36
In mixed form: 817/36
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