Add 75/9 and 4/20
1st number: 8 3/9, 2nd number: 4/20
75/9 + 4/20 is 128/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
75/9 = 75 × 20/9 × 20 = 1500/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Add the two like fractions:
1500/180 + 36/180 = 1500 + 36/180 = 1536/180 - 1536/180 simplified gives 128/15
- So, 75/9 + 4/20 = 128/15
In mixed form: 88/15
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