Add 75/20 and 7/4
1st number: 3 15/20, 2nd number: 1 3/4
75/20 + 7/4 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
75/20 = 75 × 1/20 × 1 = 75/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
7/4 = 7 × 5/4 × 5 = 35/20 - Add the two like fractions:
75/20 + 35/20 = 75 + 35/20 = 110/20 - 110/20 simplified gives 11/2
- So, 75/20 + 7/4 = 11/2
In mixed form: 51/2
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