Add 40/72 and 45/48
40/72 + 45/48 is 215/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
40/72 = 40 × 2/72 × 2 = 80/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Add the two like fractions:
80/144 + 135/144 = 80 + 135/144 = 215/144 - So, 40/72 + 45/48 = 215/144
In mixed form: 171/144
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