Add 45/18 and 56/7
1st number: 2 9/18, 2nd number: 8 0/7
45/18 + 56/7 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
56/7 = 56 × 18/7 × 18 = 1008/126 - Add the two like fractions:
315/126 + 1008/126 = 315 + 1008/126 = 1323/126 - 1323/126 simplified gives 21/2
- So, 45/18 + 56/7 = 21/2
In mixed form: 101/2
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