Add 90/16 and 42/45
1st number: 5 10/16, 2nd number: 42/45
90/16 + 42/45 is 787/120.
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,
90/16 = 90 × 45/16 × 45 = 4050/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
42/45 = 42 × 16/45 × 16 = 672/720 - Add the two like fractions:
4050/720 + 672/720 = 4050 + 672/720 = 4722/720 - 4722/720 simplified gives 787/120
- So, 90/16 + 42/45 = 787/120
In mixed form: 667/120
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