Add 72/40 and 42/25
1st number: 1 32/40, 2nd number: 1 17/25
72/40 + 42/25 is 87/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
72/40 = 72 × 5/40 × 5 = 360/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
42/25 = 42 × 8/25 × 8 = 336/200 - Add the two like fractions:
360/200 + 336/200 = 360 + 336/200 = 696/200 - 696/200 simplified gives 87/25
- So, 72/40 + 42/25 = 87/25
In mixed form: 312/25
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