Add 12/15 and 90/45
1st number: 12/15, 2nd number: 2 0/45
12/15 + 90/45 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
12/15 = 12 × 3/15 × 3 = 36/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Add the two like fractions:
36/45 + 90/45 = 36 + 90/45 = 126/45 - 126/45 simplified gives 14/5
- So, 12/15 + 90/45 = 14/5
In mixed form: 24/5
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