Add 90/7 and 4/72
1st number: 12 6/7, 2nd number: 4/72
90/7 + 4/72 is 1627/126.
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,
90/7 = 90 × 72/7 × 72 = 6480/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Add the two like fractions:
6480/504 + 28/504 = 6480 + 28/504 = 6508/504 - 6508/504 simplified gives 1627/126
- So, 90/7 + 4/72 = 1627/126
In mixed form: 12115/126
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