Add 7/8 and 45/72
7/8 + 45/72 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
7/8 = 7 × 9/8 × 9 = 63/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Add the two like fractions:
63/72 + 45/72 = 63 + 45/72 = 108/72 - 108/72 simplified gives 3/2
- So, 7/8 + 45/72 = 3/2
In mixed form: 11/2
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