Add 80/75 and 7/20
1st number: 1 5/75, 2nd number: 7/20
80/75 + 7/20 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
80/75 = 80 × 4/75 × 4 = 320/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
7/20 = 7 × 15/20 × 15 = 105/300 - Add the two like fractions:
320/300 + 105/300 = 320 + 105/300 = 425/300 - 425/300 simplified gives 17/12
- So, 80/75 + 7/20 = 17/12
In mixed form: 15/12
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