Add 7/4 and 10/20
1st number: 1 3/4, 2nd number: 10/20
7/4 + 10/20 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
7/4 = 7 × 5/4 × 5 = 35/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
10/20 = 10 × 1/20 × 1 = 10/20 - Add the two like fractions:
35/20 + 10/20 = 35 + 10/20 = 45/20 - 45/20 simplified gives 9/4
- So, 7/4 + 10/20 = 9/4
In mixed form: 21/4
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