Add 72/27 and 1/20
1st number: 2 18/27, 2nd number: 1/20
72/27 + 1/20 is 163/60.
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,
72/27 = 72 × 20/27 × 20 = 1440/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
1/20 = 1 × 27/20 × 27 = 27/540 - Add the two like fractions:
1440/540 + 27/540 = 1440 + 27/540 = 1467/540 - 1467/540 simplified gives 163/60
- So, 72/27 + 1/20 = 163/60
In mixed form: 243/60
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