Add 45/20 and 70/5
1st number: 2 5/20, 2nd number: 14 0/5
45/20 + 70/5 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
70/5 = 70 × 4/5 × 4 = 280/20 - Add the two like fractions:
45/20 + 280/20 = 45 + 280/20 = 325/20 - 325/20 simplified gives 65/4
- So, 45/20 + 70/5 = 65/4
In mixed form: 161/4
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