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