Add 70/27 and 45/12
1st number: 2 16/27, 2nd number: 3 9/12
70/27 + 45/12 is 685/108.
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,
45/12 = 45 × 9/12 × 9 = 405/108 - Add the two like fractions:
280/108 + 405/108 = 280 + 405/108 = 685/108 - So, 70/27 + 45/12 = 685/108
In mixed form: 637/108
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