Add 90/84 and 36/80
1st number: 1 6/84, 2nd number: 36/80
90/84 + 36/80 is 213/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
90/84 = 90 × 20/84 × 20 = 1800/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
36/80 = 36 × 21/80 × 21 = 756/1680 - Add the two like fractions:
1800/1680 + 756/1680 = 1800 + 756/1680 = 2556/1680 - 2556/1680 simplified gives 213/140
- So, 90/84 + 36/80 = 213/140
In mixed form: 173/140
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