Add 7/20 and 45/36
1st number: 7/20, 2nd number: 1 9/36
7/20 + 45/36 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Add the two like fractions:
63/180 + 225/180 = 63 + 225/180 = 288/180 - 288/180 simplified gives 8/5
- So, 7/20 + 45/36 = 8/5
In mixed form: 13/5
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