Add 90/27 and 7/20
1st number: 3 9/27, 2nd number: 7/20
90/27 + 7/20 is 221/60.
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,
90/27 = 90 × 20/27 × 20 = 1800/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
7/20 = 7 × 27/20 × 27 = 189/540 - Add the two like fractions:
1800/540 + 189/540 = 1800 + 189/540 = 1989/540 - 1989/540 simplified gives 221/60
- So, 90/27 + 7/20 = 221/60
In mixed form: 341/60
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