Add 12/90 and 63/45
1st number: 12/90, 2nd number: 1 18/45
12/90 + 63/45 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 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 45 × 2 = 90,
63/45 = 63 × 2/45 × 2 = 126/90 - Add the two like fractions:
12/90 + 126/90 = 12 + 126/90 = 138/90 - 138/90 simplified gives 23/15
- So, 12/90 + 63/45 = 23/15
In mixed form: 18/15
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