Add 42/50 and 45/80
42/50 + 45/80 is 561/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
42/50 = 42 × 8/50 × 8 = 336/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
45/80 = 45 × 5/80 × 5 = 225/400 - Add the two like fractions:
336/400 + 225/400 = 336 + 225/400 = 561/400 - So, 42/50 + 45/80 = 561/400
In mixed form: 1161/400
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