Add 90/54 and 3/40
1st number: 1 36/54, 2nd number: 3/40
90/54 + 3/40 is 209/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
90/54 = 90 × 20/54 × 20 = 1800/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
3/40 = 3 × 27/40 × 27 = 81/1080 - Add the two like fractions:
1800/1080 + 81/1080 = 1800 + 81/1080 = 1881/1080 - 1881/1080 simplified gives 209/120
- So, 90/54 + 3/40 = 209/120
In mixed form: 189/120
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