Add 45/4 and 90/15
1st number: 11 1/4, 2nd number: 6 0/15
45/4 + 90/15 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
45/4 = 45 × 15/4 × 15 = 675/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
90/15 = 90 × 4/15 × 4 = 360/60 - Add the two like fractions:
675/60 + 360/60 = 675 + 360/60 = 1035/60 - 1035/60 simplified gives 69/4
- So, 45/4 + 90/15 = 69/4
In mixed form: 171/4
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