Add 12/45 and 20/4
1st number: 12/45, 2nd number: 5 0/4
12/45 + 20/4 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
20/4 = 20 × 45/4 × 45 = 900/180 - Add the two like fractions:
48/180 + 900/180 = 48 + 900/180 = 948/180 - 948/180 simplified gives 79/15
- So, 12/45 + 20/4 = 79/15
In mixed form: 54/15
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