Add 75/45 and 70/12
1st number: 1 30/45, 2nd number: 5 10/12
75/45 + 70/12 is 15/2.
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,
75/45 = 75 × 4/45 × 4 = 300/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
70/12 = 70 × 15/12 × 15 = 1050/180 - Add the two like fractions:
300/180 + 1050/180 = 300 + 1050/180 = 1350/180 - 1350/180 simplified gives 15/2
- So, 75/45 + 70/12 = 15/2
In mixed form: 71/2
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