Add 7/4 and 9/72
1st number: 1 3/4, 2nd number: 9/72
7/4 + 9/72 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
7/4 = 7 × 18/4 × 18 = 126/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Add the two like fractions:
126/72 + 9/72 = 126 + 9/72 = 135/72 - 135/72 simplified gives 15/8
- So, 7/4 + 9/72 = 15/8
In mixed form: 17/8
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