Add 90/9 and 72/40
1st number: 10 0/9, 2nd number: 1 32/40
90/9 + 72/40 is 59/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
90/9 = 90 × 40/9 × 40 = 3600/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Add the two like fractions:
3600/360 + 648/360 = 3600 + 648/360 = 4248/360 - 4248/360 simplified gives 59/5
- So, 90/9 + 72/40 = 59/5
In mixed form: 114/5
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