Add 50/84 and 90/12
1st number: 50/84, 2nd number: 7 6/12
50/84 + 90/12 is 170/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
50/84 = 50 × 1/84 × 1 = 50/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84 - Add the two like fractions:
50/84 + 630/84 = 50 + 630/84 = 680/84 - 680/84 simplified gives 170/21
- So, 50/84 + 90/12 = 170/21
In mixed form: 82/21
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