Add 1/90 and 42/40
1st number: 1/90, 2nd number: 1 2/40
1/90 + 42/40 is 191/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
4/360 + 378/360 = 4 + 378/360 = 382/360 - 382/360 simplified gives 191/180
- So, 1/90 + 42/40 = 191/180
In mixed form: 111/180
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