Add 90/27 and 60/20
1st number: 3 9/27, 2nd number: 3 0/20
90/27 + 60/20 is 19/3.
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,
90/27 = 90 × 20/27 × 20 = 1800/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
60/20 = 60 × 27/20 × 27 = 1620/540 - Add the two like fractions:
1800/540 + 1620/540 = 1800 + 1620/540 = 3420/540 - 3420/540 simplified gives 19/3
- So, 90/27 + 60/20 = 19/3
In mixed form: 61/3
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