Add 21/14 and 90/75
1st number: 1 7/14, 2nd number: 1 15/75
21/14 + 90/75 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 14 × 75 = 1050,
21/14 = 21 × 75/14 × 75 = 1575/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
1575/1050 + 1260/1050 = 1575 + 1260/1050 = 2835/1050 - 2835/1050 simplified gives 27/10
- So, 21/14 + 90/75 = 27/10
In mixed form: 27/10
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