Add 16/21 and 45/75
16/21 + 45/75 is 143/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
16/21 = 16 × 25/21 × 25 = 400/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
45/75 = 45 × 7/75 × 7 = 315/525 - Add the two like fractions:
400/525 + 315/525 = 400 + 315/525 = 715/525 - 715/525 simplified gives 143/105
- So, 16/21 + 45/75 = 143/105
In mixed form: 138/105
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