Add 90/75 and 63/12
1st number: 1 15/75, 2nd number: 5 3/12
90/75 + 63/12 is 129/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
63/12 = 63 × 25/12 × 25 = 1575/300 - Add the two like fractions:
360/300 + 1575/300 = 360 + 1575/300 = 1935/300 - 1935/300 simplified gives 129/20
- So, 90/75 + 63/12 = 129/20
In mixed form: 69/20
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