Add 90/56 and 90/72
1st number: 1 34/56, 2nd number: 1 18/72
90/56 + 90/72 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
90/72 = 90 × 7/72 × 7 = 630/504 - Add the two like fractions:
810/504 + 630/504 = 810 + 630/504 = 1440/504 - 1440/504 simplified gives 20/7
- So, 90/56 + 90/72 = 20/7
In mixed form: 26/7
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