Add 72/40 and 90/6
1st number: 1 32/40, 2nd number: 15 0/6
72/40 + 90/6 is 84/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
90/6 = 90 × 20/6 × 20 = 1800/120 - Add the two like fractions:
216/120 + 1800/120 = 216 + 1800/120 = 2016/120 - 2016/120 simplified gives 84/5
- So, 72/40 + 90/6 = 84/5
In mixed form: 164/5
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