Add 3/84 and 70/25
1st number: 3/84, 2nd number: 2 20/25
3/84 + 70/25 is 397/140.
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,
3/84 = 3 × 25/84 × 25 = 75/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
70/25 = 70 × 84/25 × 84 = 5880/2100 - Add the two like fractions:
75/2100 + 5880/2100 = 75 + 5880/2100 = 5955/2100 - 5955/2100 simplified gives 397/140
- So, 3/84 + 70/25 = 397/140
In mixed form: 2117/140
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