Add 45/15 and 30/4
1st number: 3 0/15, 2nd number: 7 2/4
45/15 + 30/4 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
45/15 = 45 × 4/15 × 4 = 180/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Add the two like fractions:
180/60 + 450/60 = 180 + 450/60 = 630/60 - 630/60 simplified gives 21/2
- So, 45/15 + 30/4 = 21/2
In mixed form: 101/2
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