Add 42/10 and 90/80
1st number: 4 2/10, 2nd number: 1 10/80
42/10 + 90/80 is 213/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
42/10 = 42 × 8/10 × 8 = 336/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Add the two like fractions:
336/80 + 90/80 = 336 + 90/80 = 426/80 - 426/80 simplified gives 213/40
- So, 42/10 + 90/80 = 213/40
In mixed form: 513/40
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