Add 45/60 and 90/80
1st number: 45/60, 2nd number: 1 10/80
45/60 + 90/80 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
45/60 = 45 × 4/60 × 4 = 180/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
180/240 + 270/240 = 180 + 270/240 = 450/240 - 450/240 simplified gives 15/8
- So, 45/60 + 90/80 = 15/8
In mixed form: 17/8
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Related: 90/60+90/80