Add 90/84 and 90/75
1st number: 1 6/84, 2nd number: 1 15/75
90/84 + 90/75 is 159/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
90/84 = 90 × 25/84 × 25 = 2250/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Add the two like fractions:
2250/2100 + 2520/2100 = 2250 + 2520/2100 = 4770/2100 - 4770/2100 simplified gives 159/70
- So, 90/84 + 90/75 = 159/70
In mixed form: 219/70
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