Add 9/20 and 42/27
1st number: 9/20, 2nd number: 1 15/27
9/20 + 42/27 is 361/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
9/20 = 9 × 27/20 × 27 = 243/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540 - Add the two like fractions:
243/540 + 840/540 = 243 + 840/540 = 1083/540 - 1083/540 simplified gives 361/180
- So, 9/20 + 42/27 = 361/180
In mixed form: 21/180
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