Add 28/7 and 42/10
1st number: 4 0/7, 2nd number: 4 2/10
28/7 + 42/10 is 41/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
28/7 = 28 × 10/7 × 10 = 280/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Add the two like fractions:
280/70 + 294/70 = 280 + 294/70 = 574/70 - 574/70 simplified gives 41/5
- So, 28/7 + 42/10 = 41/5
In mixed form: 81/5
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