Add 45/42 and 72/9
1st number: 1 3/42, 2nd number: 8 0/9
45/42 + 72/9 is 127/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
45/42 = 45 × 3/42 × 3 = 135/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
72/9 = 72 × 14/9 × 14 = 1008/126 - Add the two like fractions:
135/126 + 1008/126 = 135 + 1008/126 = 1143/126 - 1143/126 simplified gives 127/14
- So, 45/42 + 72/9 = 127/14
In mixed form: 91/14
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