Add 90/45 and 20/32
1st number: 2 0/45, 2nd number: 20/32
90/45 + 20/32 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
90/45 = 90 × 32/45 × 32 = 2880/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
20/32 = 20 × 45/32 × 45 = 900/1440 - Add the two like fractions:
2880/1440 + 900/1440 = 2880 + 900/1440 = 3780/1440 - 3780/1440 simplified gives 21/8
- So, 90/45 + 20/32 = 21/8
In mixed form: 25/8
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