Add 70/84 and 30/25
1st number: 70/84, 2nd number: 1 5/25
70/84 + 30/25 is 61/30.
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,
30/25 = 30 × 84/25 × 84 = 2520/2100 - Add the two like fractions:
1750/2100 + 2520/2100 = 1750 + 2520/2100 = 4270/2100 - 4270/2100 simplified gives 61/30
- So, 70/84 + 30/25 = 61/30
In mixed form: 21/30
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