Add 27/72 and 42/7
1st number: 27/72, 2nd number: 6 0/7
27/72 + 42/7 is 51/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 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 7 × 72 = 504,
42/7 = 42 × 72/7 × 72 = 3024/504 - Add the two like fractions:
189/504 + 3024/504 = 189 + 3024/504 = 3213/504 - 3213/504 simplified gives 51/8
- So, 27/72 + 42/7 = 51/8
In mixed form: 63/8
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