Add 42/9 and 80/30
1st number: 4 6/9, 2nd number: 2 20/30
42/9 + 80/30 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Add the two like fractions:
420/90 + 240/90 = 420 + 240/90 = 660/90 - 660/90 simplified gives 22/3
- So, 42/9 + 80/30 = 22/3
In mixed form: 71/3
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