Add 45/72 and 63/8
1st number: 45/72, 2nd number: 7 7/8
45/72 + 63/8 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
63/8 = 63 × 9/8 × 9 = 567/72 - Add the two like fractions:
45/72 + 567/72 = 45 + 567/72 = 612/72 - 612/72 simplified gives 17/2
- So, 45/72 + 63/8 = 17/2
In mixed form: 81/2
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