Add 28/75 and 90/72
1st number: 28/75, 2nd number: 1 18/72
28/75 + 90/72 is 487/300.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
28/75 = 28 × 24/75 × 24 = 672/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
90/72 = 90 × 25/72 × 25 = 2250/1800 - Add the two like fractions:
672/1800 + 2250/1800 = 672 + 2250/1800 = 2922/1800 - 2922/1800 simplified gives 487/300
- So, 28/75 + 90/72 = 487/300
In mixed form: 1187/300
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