Add 90/45 and 12/48
1st number: 2 0/45, 2nd number: 12/48
90/45 + 12/48 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
90/45 = 90 × 16/45 × 16 = 1440/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
12/48 = 12 × 15/48 × 15 = 180/720 - Add the two like fractions:
1440/720 + 180/720 = 1440 + 180/720 = 1620/720 - 1620/720 simplified gives 9/4
- So, 90/45 + 12/48 = 9/4
In mixed form: 21/4
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