Add 70/20 and 80/25
1st number: 3 10/20, 2nd number: 3 5/25
70/20 + 80/25 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
70/20 = 70 × 5/20 × 5 = 350/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
80/25 = 80 × 4/25 × 4 = 320/100 - Add the two like fractions:
350/100 + 320/100 = 350 + 320/100 = 670/100 - 670/100 simplified gives 67/10
- So, 70/20 + 80/25 = 67/10
In mixed form: 67/10
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