Add 72/27 and 90/35
1st number: 2 18/27, 2nd number: 2 20/35
72/27 + 90/35 is 110/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
72/27 = 72 × 35/27 × 35 = 2520/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
90/35 = 90 × 27/35 × 27 = 2430/945 - Add the two like fractions:
2520/945 + 2430/945 = 2520 + 2430/945 = 4950/945 - 4950/945 simplified gives 110/21
- So, 72/27 + 90/35 = 110/21
In mixed form: 55/21
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