Add 75/72 and 90/7
1st number: 1 3/72, 2nd number: 12 6/7
75/72 + 90/7 is 2335/168.
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,
75/72 = 75 × 7/72 × 7 = 525/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
90/7 = 90 × 72/7 × 72 = 6480/504 - Add the two like fractions:
525/504 + 6480/504 = 525 + 6480/504 = 7005/504 - 7005/504 simplified gives 2335/168
- So, 75/72 + 90/7 = 2335/168
In mixed form: 13151/168
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