Add 6/9 and 42/80
6/9 + 42/80 is 143/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
6/9 = 6 × 80/9 × 80 = 480/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Add the two like fractions:
480/720 + 378/720 = 480 + 378/720 = 858/720 - 858/720 simplified gives 143/120
- So, 6/9 + 42/80 = 143/120
In mixed form: 123/120
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