Add 21/75 and 70/45
1st number: 21/75, 2nd number: 1 25/45
21/75 + 70/45 is 413/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
21/75 = 21 × 3/75 × 3 = 63/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
70/45 = 70 × 5/45 × 5 = 350/225 - Add the two like fractions:
63/225 + 350/225 = 63 + 350/225 = 413/225 - So, 21/75 + 70/45 = 413/225
In mixed form: 1188/225
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