Add 8/28 and 42/40
1st number: 8/28, 2nd number: 1 2/40
8/28 + 42/40 is 187/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
8/28 = 8 × 10/28 × 10 = 80/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
42/40 = 42 × 7/40 × 7 = 294/280 - Add the two like fractions:
80/280 + 294/280 = 80 + 294/280 = 374/280 - 374/280 simplified gives 187/140
- So, 8/28 + 42/40 = 187/140
In mixed form: 147/140
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