Add 28/4 and 45/30
1st number: 7 0/4, 2nd number: 1 15/30
28/4 + 45/30 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
28/4 = 28 × 15/4 × 15 = 420/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Add the two like fractions:
420/60 + 90/60 = 420 + 90/60 = 510/60 - 510/60 simplified gives 17/2
- So, 28/4 + 45/30 = 17/2
In mixed form: 81/2
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