Add 12/9 and 42/8
1st number: 1 3/9, 2nd number: 5 2/8
12/9 + 42/8 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
12/9 = 12 × 8/9 × 8 = 96/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Add the two like fractions:
96/72 + 378/72 = 96 + 378/72 = 474/72 - 474/72 simplified gives 79/12
- So, 12/9 + 42/8 = 79/12
In mixed form: 67/12
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