Add 27/7 and 20/72
1st number: 3 6/7, 2nd number: 20/72
27/7 + 20/72 is 521/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
27/7 = 27 × 72/7 × 72 = 1944/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Add the two like fractions:
1944/504 + 140/504 = 1944 + 140/504 = 2084/504 - 2084/504 simplified gives 521/126
- So, 27/7 + 20/72 = 521/126
In mixed form: 417/126
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