Add 21/75 and 70/7
1st number: 21/75, 2nd number: 10 0/7
21/75 + 70/7 is 257/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
21/75 = 21 × 7/75 × 7 = 147/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
70/7 = 70 × 75/7 × 75 = 5250/525 - Add the two like fractions:
147/525 + 5250/525 = 147 + 5250/525 = 5397/525 - 5397/525 simplified gives 257/25
- So, 21/75 + 70/7 = 257/25
In mixed form: 107/25
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