Add 1/20 and 80/45
1st number: 1/20, 2nd number: 1 35/45
1/20 + 80/45 is 329/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Add the two like fractions:
9/180 + 320/180 = 9 + 320/180 = 329/180 - So, 1/20 + 80/45 = 329/180
In mixed form: 1149/180
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