Add 90/20 and 2/15
1st number: 4 10/20, 2nd number: 2/15
90/20 + 2/15 is 139/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
2/15 = 2 × 4/15 × 4 = 8/60 - Add the two like fractions:
270/60 + 8/60 = 270 + 8/60 = 278/60 - 278/60 simplified gives 139/30
- So, 90/20 + 2/15 = 139/30
In mixed form: 419/30
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