Add 2/21 and 70/75
2/21 + 70/75 is 36/35.
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,
2/21 = 2 × 25/21 × 25 = 50/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
70/75 = 70 × 7/75 × 7 = 490/525 - Add the two like fractions:
50/525 + 490/525 = 50 + 490/525 = 540/525 - 540/525 simplified gives 36/35
- So, 2/21 + 70/75 = 36/35
In mixed form: 11/35
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