Add 12/8 and 72/18
1st number: 1 4/8, 2nd number: 4 0/18
12/8 + 72/18 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
72/18 = 72 × 4/18 × 4 = 288/72 - Add the two like fractions:
108/72 + 288/72 = 108 + 288/72 = 396/72 - 396/72 simplified gives 11/2
- So, 12/8 + 72/18 = 11/2
In mixed form: 51/2
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