Add 45/21 and 90/32
1st number: 2 3/21, 2nd number: 2 26/32
45/21 + 90/32 is 555/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
45/21 = 45 × 32/21 × 32 = 1440/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
90/32 = 90 × 21/32 × 21 = 1890/672 - Add the two like fractions:
1440/672 + 1890/672 = 1440 + 1890/672 = 3330/672 - 3330/672 simplified gives 555/112
- So, 45/21 + 90/32 = 555/112
In mixed form: 4107/112
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