Add 70/27 and 90/20
1st number: 2 16/27, 2nd number: 4 10/20
70/27 + 90/20 is 383/54.
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,
70/27 = 70 × 20/27 × 20 = 1400/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
90/20 = 90 × 27/20 × 27 = 2430/540 - Add the two like fractions:
1400/540 + 2430/540 = 1400 + 2430/540 = 3830/540 - 3830/540 simplified gives 383/54
- So, 70/27 + 90/20 = 383/54
In mixed form: 75/54
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