Add 3/90 and 84/80
1st number: 3/90, 2nd number: 1 4/80
3/90 + 84/80 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
3/90 = 3 × 8/90 × 8 = 24/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Add the two like fractions:
24/720 + 756/720 = 24 + 756/720 = 780/720 - 780/720 simplified gives 13/12
- So, 3/90 + 84/80 = 13/12
In mixed form: 11/12
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