Add 42/10 and 15/81
1st number: 4 2/10, 2nd number: 15/81
42/10 + 15/81 is 592/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
42/10 = 42 × 81/10 × 81 = 3402/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
15/81 = 15 × 10/81 × 10 = 150/810 - Add the two like fractions:
3402/810 + 150/810 = 3402 + 150/810 = 3552/810 - 3552/810 simplified gives 592/135
- So, 42/10 + 15/81 = 592/135
In mixed form: 452/135
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