Add 30/72 and 15/7
1st number: 30/72, 2nd number: 2 1/7
30/72 + 15/7 is 215/84.
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,
30/72 = 30 × 7/72 × 7 = 210/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
15/7 = 15 × 72/7 × 72 = 1080/504 - Add the two like fractions:
210/504 + 1080/504 = 210 + 1080/504 = 1290/504 - 1290/504 simplified gives 215/84
- So, 30/72 + 15/7 = 215/84
In mixed form: 247/84
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