Add 45/25 and 7/40
1st number: 1 20/25, 2nd number: 7/40
45/25 + 7/40 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
45/25 = 45 × 8/25 × 8 = 360/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
7/40 = 7 × 5/40 × 5 = 35/200 - Add the two like fractions:
360/200 + 35/200 = 360 + 35/200 = 395/200 - 395/200 simplified gives 79/40
- So, 45/25 + 7/40 = 79/40
In mixed form: 139/40
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