Add 90/45 and 90/12
1st number: 2 0/45, 2nd number: 7 6/12
90/45 + 90/12 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
90/45 = 90 × 4/45 × 4 = 360/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
90/12 = 90 × 15/12 × 15 = 1350/180 - Add the two like fractions:
360/180 + 1350/180 = 360 + 1350/180 = 1710/180 - 1710/180 simplified gives 19/2
- So, 90/45 + 90/12 = 19/2
In mixed form: 91/2
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