Add 3/72 and 20/7
1st number: 3/72, 2nd number: 2 6/7
3/72 + 20/7 is 487/168.
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,
3/72 = 3 × 7/72 × 7 = 21/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
20/7 = 20 × 72/7 × 72 = 1440/504 - Add the two like fractions:
21/504 + 1440/504 = 21 + 1440/504 = 1461/504 - 1461/504 simplified gives 487/168
- So, 3/72 + 20/7 = 487/168
In mixed form: 2151/168
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