Add 30/4 and 45/20
1st number: 7 2/4, 2nd number: 2 5/20
30/4 + 45/20 is 39/4.
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,
30/4 = 30 × 5/4 × 5 = 150/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Add the two like fractions:
150/20 + 45/20 = 150 + 45/20 = 195/20 - 195/20 simplified gives 39/4
- So, 30/4 + 45/20 = 39/4
In mixed form: 93/4
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