Add 45/36 and 21/7
1st number: 1 9/36, 2nd number: 3 0/7
45/36 + 21/7 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
21/7 = 21 × 36/7 × 36 = 756/252 - Add the two like fractions:
315/252 + 756/252 = 315 + 756/252 = 1071/252 - 1071/252 simplified gives 17/4
- So, 45/36 + 21/7 = 17/4
In mixed form: 41/4
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