Add 45/15 and 75/10
1st number: 3 0/15, 2nd number: 7 5/10
45/15 + 75/10 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
45/15 = 45 × 2/15 × 2 = 90/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
75/10 = 75 × 3/10 × 3 = 225/30 - Add the two like fractions:
90/30 + 225/30 = 90 + 225/30 = 315/30 - 315/30 simplified gives 21/2
- So, 45/15 + 75/10 = 21/2
In mixed form: 101/2
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