Add 30/21 and 70/25
1st number: 1 9/21, 2nd number: 2 20/25
30/21 + 70/25 is 148/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
30/21 = 30 × 25/21 × 25 = 750/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
70/25 = 70 × 21/25 × 21 = 1470/525 - Add the two like fractions:
750/525 + 1470/525 = 750 + 1470/525 = 2220/525 - 2220/525 simplified gives 148/35
- So, 30/21 + 70/25 = 148/35
In mixed form: 48/35
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