Answers

Add 42/70 and 90/48

1^st number: 42/70, 2^nd number: 1 42/48

42/70 + 90/48 is 99/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 48 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 70 × 24 = 1680,
   42/70 = 42 × 24/70 × 24 = 1008/1680
3. Likewise, for the 2nd fraction, since 48 × 35 = 1680,
   90/48 = 90 × 35/48 × 35 = 3150/1680
4. Add the two like fractions:
   1008/1680 + 3150/1680 = 1008 + 3150/1680 = 4158/1680
5. 4158/1680 simplified gives 99/40
6. So, 42/70 + 90/48 = 99/40
   In mixed form: 219/40

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