Add 10/84 and 90/27
1st number: 10/84, 2nd number: 3 9/27
10/84 + 90/27 is 145/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
10/84 = 10 × 9/84 × 9 = 90/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
90/27 = 90 × 28/27 × 28 = 2520/756 - Add the two like fractions:
90/756 + 2520/756 = 90 + 2520/756 = 2610/756 - 2610/756 simplified gives 145/42
- So, 10/84 + 90/27 = 145/42
In mixed form: 319/42
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