Add 27/72 and 90/42
1st number: 27/72, 2nd number: 2 6/42
27/72 + 90/42 is 141/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
90/42 = 90 × 12/42 × 12 = 1080/504 - Add the two like fractions:
189/504 + 1080/504 = 189 + 1080/504 = 1269/504 - 1269/504 simplified gives 141/56
- So, 27/72 + 90/42 = 141/56
In mixed form: 229/56
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