Add 42/90 and 18/16
1st number: 42/90, 2nd number: 1 2/16
42/90 + 18/16 is 191/120.
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,
42/90 = 42 × 8/90 × 8 = 336/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
18/16 = 18 × 45/16 × 45 = 810/720 - Add the two like fractions:
336/720 + 810/720 = 336 + 810/720 = 1146/720 - 1146/720 simplified gives 191/120
- So, 42/90 + 18/16 = 191/120
In mixed form: 171/120
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