Add 21/2 and 90/75
1st number: 10 1/2, 2nd number: 1 15/75
21/2 + 90/75 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
21/2 = 21 × 75/2 × 75 = 1575/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
90/75 = 90 × 2/75 × 2 = 180/150 - Add the two like fractions:
1575/150 + 180/150 = 1575 + 180/150 = 1755/150 - 1755/150 simplified gives 117/10
- So, 21/2 + 90/75 = 117/10
In mixed form: 117/10
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