Add 90/80 and 42/60
1st number: 1 10/80, 2nd number: 42/60
90/80 + 42/60 is 73/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
42/60 = 42 × 4/60 × 4 = 168/240 - Add the two like fractions:
270/240 + 168/240 = 270 + 168/240 = 438/240 - 438/240 simplified gives 73/40
- So, 90/80 + 42/60 = 73/40
In mixed form: 133/40
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