Add 45/90 and 42/16
1st number: 45/90, 2nd number: 2 10/16
45/90 + 42/16 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
45/90 = 45 × 8/90 × 8 = 360/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
42/16 = 42 × 45/16 × 45 = 1890/720 - Add the two like fractions:
360/720 + 1890/720 = 360 + 1890/720 = 2250/720 - 2250/720 simplified gives 25/8
- So, 45/90 + 42/16 = 25/8
In mixed form: 31/8
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