Add 20/27 and 70/12
1st number: 20/27, 2nd number: 5 10/12
20/27 + 70/12 is 355/54.
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,
20/27 = 20 × 4/27 × 4 = 80/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
70/12 = 70 × 9/12 × 9 = 630/108 - Add the two like fractions:
80/108 + 630/108 = 80 + 630/108 = 710/108 - 710/108 simplified gives 355/54
- So, 20/27 + 70/12 = 355/54
In mixed form: 631/54
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