Subtract 28/70 from 48/45, Solve 1 3/45

Subtract 28/70 from 48/45

1^st number: 1 3/45, 2^nd number: 28/70

48/45 - 28/70 is 2/3.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
48/45 = 48 × 14/45 × 14 = 672/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630
Subtract the two like fractions:
672/630 - 252/630 = 672 - 252/630 = 420/630
After reducing the fraction, the answer is 2/3

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