Add 72/27 and 70/12
1st number: 2 18/27, 2nd number: 5 10/12
72/27 + 70/12 is 17/2.
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,
72/27 = 72 × 4/27 × 4 = 288/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
70/12 = 70 × 9/12 × 9 = 630/108 - Add the two like fractions:
288/108 + 630/108 = 288 + 630/108 = 918/108 - 918/108 simplified gives 17/2
- So, 72/27 + 70/12 = 17/2
In mixed form: 81/2
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