Add 80/16 and 42/90
1st number: 5 0/16, 2nd number: 42/90
80/16 + 42/90 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
80/16 = 80 × 45/16 × 45 = 3600/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Add the two like fractions:
3600/720 + 336/720 = 3600 + 336/720 = 3936/720 - 3936/720 simplified gives 82/15
- So, 80/16 + 42/90 = 82/15
In mixed form: 57/15
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