Add 90/75 and 21/35
1st number: 1 15/75, 2nd number: 21/35
90/75 + 21/35 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 35 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
90/75 = 90 × 7/75 × 7 = 630/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
21/35 = 21 × 15/35 × 15 = 315/525 - Add the two like fractions:
630/525 + 315/525 = 630 + 315/525 = 945/525 - 945/525 simplified gives 9/5
- So, 90/75 + 21/35 = 9/5
In mixed form: 14/5
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