Add 9/90 and 72/40
1st number: 9/90, 2nd number: 1 32/40
9/90 + 72/40 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
9/90 = 9 × 4/90 × 4 = 36/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Add the two like fractions:
36/360 + 648/360 = 36 + 648/360 = 684/360 - 684/360 simplified gives 19/10
- So, 9/90 + 72/40 = 19/10
In mixed form: 19/10
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