Add 63/45 and 3/12
1st number: 1 18/45, 2nd number: 3/12
63/45 + 3/12 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
3/12 = 3 × 15/12 × 15 = 45/180 - Add the two like fractions:
252/180 + 45/180 = 252 + 45/180 = 297/180 - 297/180 simplified gives 33/20
- So, 63/45 + 3/12 = 33/20
In mixed form: 113/20
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