Add 30/25 and 21/60
1st number: 1 5/25, 2nd number: 21/60
30/25 + 21/60 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
30/25 = 30 × 12/25 × 12 = 360/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
21/60 = 21 × 5/60 × 5 = 105/300 - Add the two like fractions:
360/300 + 105/300 = 360 + 105/300 = 465/300 - 465/300 simplified gives 31/20
- So, 30/25 + 21/60 = 31/20
In mixed form: 111/20
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