Add 45/75 and 30/20
1st number: 45/75, 2nd number: 1 10/20
45/75 + 30/20 is 21/10.
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,
45/75 = 45 × 4/75 × 4 = 180/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
30/20 = 30 × 15/20 × 15 = 450/300 - Add the two like fractions:
180/300 + 450/300 = 180 + 450/300 = 630/300 - 630/300 simplified gives 21/10
- So, 45/75 + 30/20 = 21/10
In mixed form: 21/10
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