Add 90/72 and 81/75
1st number: 1 18/72, 2nd number: 1 6/75
90/72 + 81/75 is 233/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
90/72 = 90 × 25/72 × 25 = 2250/1800 - Likewise, for the 2nd fraction, since 75 × 24 = 1800,
81/75 = 81 × 24/75 × 24 = 1944/1800 - Add the two like fractions:
2250/1800 + 1944/1800 = 2250 + 1944/1800 = 4194/1800 - 4194/1800 simplified gives 233/100
- So, 90/72 + 81/75 = 233/100
In mixed form: 233/100
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