Add 30/72 and 45/7
1st number: 30/72, 2nd number: 6 3/7
30/72 + 45/7 is 575/84.
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,
45/7 = 45 × 72/7 × 72 = 3240/504 - Add the two like fractions:
210/504 + 3240/504 = 210 + 3240/504 = 3450/504 - 3450/504 simplified gives 575/84
- So, 30/72 + 45/7 = 575/84
In mixed form: 671/84
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