Add 72/5 and 4/90
1st number: 14 2/5, 2nd number: 4/90
72/5 + 4/90 is 130/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
72/5 = 72 × 18/5 × 18 = 1296/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Add the two like fractions:
1296/90 + 4/90 = 1296 + 4/90 = 1300/90 - 1300/90 simplified gives 130/9
- So, 72/5 + 4/90 = 130/9
In mixed form: 144/9
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