Solutions by everydaycalculation.com

1^{st} number: 30/35, 2^{nd} number: 1 7/20

3035 - 2720 is -69140.

- Find the least common denominator or LCM of the two denominators:

LCM of 35 and 20 is**140**

Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,

3035 = 30 × 435 × 4 = 120140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,

2720 = 27 × 720 × 7 = 189140 - Subtract the two like fractions:

120140 - 189140 = 120 - 189140 = -69140

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