Add 84/25 and 70/90
1st number: 3 9/25, 2nd number: 70/90
84/25 + 70/90 is 931/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
84/25 = 84 × 18/25 × 18 = 1512/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Add the two like fractions:
1512/450 + 350/450 = 1512 + 350/450 = 1862/450 - 1862/450 simplified gives 931/225
- So, 84/25 + 70/90 = 931/225
In mixed form: 431/225
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