Add 72/30 and 45/25
1st number: 2 12/30, 2nd number: 1 20/25
72/30 + 45/25 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
72/30 = 72 × 5/30 × 5 = 360/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
45/25 = 45 × 6/25 × 6 = 270/150 - Add the two like fractions:
360/150 + 270/150 = 360 + 270/150 = 630/150 - 630/150 simplified gives 21/5
- So, 72/30 + 45/25 = 21/5
In mixed form: 41/5
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