Add 90/40 and 42/72
1st number: 2 10/40, 2nd number: 42/72
90/40 + 42/72 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
90/40 = 90 × 9/40 × 9 = 810/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Add the two like fractions:
810/360 + 210/360 = 810 + 210/360 = 1020/360 - 1020/360 simplified gives 17/6
- So, 90/40 + 42/72 = 17/6
In mixed form: 25/6
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