Add 15/20 and 70/25
1st number: 15/20, 2nd number: 2 20/25
15/20 + 70/25 is 71/20.
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,
15/20 = 15 × 5/20 × 5 = 75/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
70/25 = 70 × 4/25 × 4 = 280/100 - Add the two like fractions:
75/100 + 280/100 = 75 + 280/100 = 355/100 - 355/100 simplified gives 71/20
- So, 15/20 + 70/25 = 71/20
In mixed form: 311/20
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