Add 20/7 and 12/72
1st number: 2 6/7, 2nd number: 12/72
20/7 + 12/72 is 127/42.
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,
20/7 = 20 × 72/7 × 72 = 1440/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504 - Add the two like fractions:
1440/504 + 84/504 = 1440 + 84/504 = 1524/504 - 1524/504 simplified gives 127/42
- So, 20/7 + 12/72 = 127/42
In mixed form: 31/42
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