Solutions by everydaycalculation.com

1^{st} number: 1 28/42, 2^{nd} number: 25/30

7042 - 2530 is 56.

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

LCM of 42 and 30 is**210**

Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,

7042 = 70 × 542 × 5 = 350210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,

2530 = 25 × 730 × 7 = 175210 - Subtract the two like fractions:

350210 - 175210 = 350 - 175210 = 175210 - After reducing the fraction, the answer is 56

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