Add 40/32 and 90/45
1st number: 1 8/32, 2nd number: 2 0/45
40/32 + 90/45 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 45 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
40/32 = 40 × 45/32 × 45 = 1800/1440 - Likewise, for the 2nd fraction, since 45 × 32 = 1440,
90/45 = 90 × 32/45 × 32 = 2880/1440 - Add the two like fractions:
1800/1440 + 2880/1440 = 1800 + 2880/1440 = 4680/1440 - 4680/1440 simplified gives 13/4
- So, 40/32 + 90/45 = 13/4
In mixed form: 31/4
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