Add 40/30 and 12/90
1st number: 1 10/30, 2nd number: 12/90
40/30 + 12/90 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
40/30 = 40 × 3/30 × 3 = 120/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
120/90 + 12/90 = 120 + 12/90 = 132/90 - 132/90 simplified gives 22/15
- So, 40/30 + 12/90 = 22/15
In mixed form: 17/15
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