Add 70/27 and 90/12
1st number: 2 16/27, 2nd number: 7 6/12
70/27 + 90/12 is 545/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
70/27 = 70 × 4/27 × 4 = 280/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
90/12 = 90 × 9/12 × 9 = 810/108 - Add the two like fractions:
280/108 + 810/108 = 280 + 810/108 = 1090/108 - 1090/108 simplified gives 545/54
- So, 70/27 + 90/12 = 545/54
In mixed form: 105/54
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