Add 21/75 and 28/7
1st number: 21/75, 2nd number: 4 0/7
21/75 + 28/7 is 107/25.
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,
28/7 = 28 × 75/7 × 75 = 2100/525 - Add the two like fractions:
147/525 + 2100/525 = 147 + 2100/525 = 2247/525 - 2247/525 simplified gives 107/25
- So, 21/75 + 28/7 = 107/25
In mixed form: 47/25
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