Add 63/45 and 40/12
1st number: 1 18/45, 2nd number: 3 4/12
63/45 + 40/12 is 71/15.
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,
40/12 = 40 × 15/12 × 15 = 600/180 - Add the two like fractions:
252/180 + 600/180 = 252 + 600/180 = 852/180 - 852/180 simplified gives 71/15
- So, 63/45 + 40/12 = 71/15
In mixed form: 411/15
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