Add 30/21 and 56/25
1st number: 1 9/21, 2nd number: 2 6/25
30/21 + 56/25 is 642/175.
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,
56/25 = 56 × 21/25 × 21 = 1176/525 - Add the two like fractions:
750/525 + 1176/525 = 750 + 1176/525 = 1926/525 - 1926/525 simplified gives 642/175
- So, 30/21 + 56/25 = 642/175
In mixed form: 3117/175
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