Add 12/90 and 75/30
1st number: 12/90, 2nd number: 2 15/30
12/90 + 75/30 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
75/30 = 75 × 3/30 × 3 = 225/90 - Add the two like fractions:
12/90 + 225/90 = 12 + 225/90 = 237/90 - 237/90 simplified gives 79/30
- So, 12/90 + 75/30 = 79/30
In mixed form: 219/30
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