Add 75/20 and 70/30
1st number: 3 15/20, 2nd number: 2 10/30
75/20 + 70/30 is 73/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
70/30 = 70 × 2/30 × 2 = 140/60 - Add the two like fractions:
225/60 + 140/60 = 225 + 140/60 = 365/60 - 365/60 simplified gives 73/12
- So, 75/20 + 70/30 = 73/12
In mixed form: 61/12
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