Add 40/16 and 21/45
1st number: 2 8/16, 2nd number: 21/45
40/16 + 21/45 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
40/16 = 40 × 45/16 × 45 = 1800/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
21/45 = 21 × 16/45 × 16 = 336/720 - Add the two like fractions:
1800/720 + 336/720 = 1800 + 336/720 = 2136/720 - 2136/720 simplified gives 89/30
- So, 40/16 + 21/45 = 89/30
In mixed form: 229/30
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