Add 70/84 and 90/25
1st number: 70/84, 2nd number: 3 15/25
70/84 + 90/25 is 133/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
90/25 = 90 × 84/25 × 84 = 7560/2100 - Add the two like fractions:
1750/2100 + 7560/2100 = 1750 + 7560/2100 = 9310/2100 - 9310/2100 simplified gives 133/30
- So, 70/84 + 90/25 = 133/30
In mixed form: 413/30
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