Add 30/48 and 45/72
30/48 + 45/72 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
30/48 = 30 × 3/48 × 3 = 90/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
45/72 = 45 × 2/72 × 2 = 90/144 - Add the two like fractions:
90/144 + 90/144 = 90 + 90/144 = 180/144 - 180/144 simplified gives 5/4
- So, 30/48 + 45/72 = 5/4
In mixed form: 11/4
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