Subtract 3/42 from 49/28, Solve 1 21/28

Subtract 3/42 from 49/28

1^st number: 1 21/28, 2^nd number: 3/42

49/28 - 3/42 is 47/28.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84
Subtract the two like fractions:
147/84 - 6/84 = 147 - 6/84 = 141/84
After reducing the fraction, the answer is 47/28
In mixed form: 119/28

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