Add 90/50 and 18/72
1st number: 1 40/50, 2nd number: 18/72
90/50 + 18/72 is 41/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
90/50 = 90 × 36/50 × 36 = 3240/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
18/72 = 18 × 25/72 × 25 = 450/1800 - Add the two like fractions:
3240/1800 + 450/1800 = 3240 + 450/1800 = 3690/1800 - 3690/1800 simplified gives 41/20
- So, 90/50 + 18/72 = 41/20
In mixed form: 21/20
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