Add 90/40 and 42/10
1st number: 2 10/40, 2nd number: 4 2/10
90/40 + 42/10 is 129/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
42/10 = 42 × 4/10 × 4 = 168/40 - Add the two like fractions:
90/40 + 168/40 = 90 + 168/40 = 258/40 - 258/40 simplified gives 129/20
- So, 90/40 + 42/10 = 129/20
In mixed form: 69/20
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