Add 42/8 and 80/9
1st number: 5 2/8, 2nd number: 8 8/9
42/8 + 80/9 is 509/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
80/9 = 80 × 8/9 × 8 = 640/72 - Add the two like fractions:
378/72 + 640/72 = 378 + 640/72 = 1018/72 - 1018/72 simplified gives 509/36
- So, 42/8 + 80/9 = 509/36
In mixed form: 145/36
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