Add 9/4 and 72/7
1st number: 2 1/4, 2nd number: 10 2/7
9/4 + 72/7 is 351/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
9/4 = 9 × 7/4 × 7 = 63/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
72/7 = 72 × 4/7 × 4 = 288/28 - Add the two like fractions:
63/28 + 288/28 = 63 + 288/28 = 351/28 - So, 9/4 + 72/7 = 351/28
In mixed form: 1215/28
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