Answers

Add 90/48 and 40/70

1^st number: 1 42/48, 2^nd number: 40/70

90/48 + 40/70 is 137/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 70 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 48 × 35 = 1680,
   90/48 = 90 × 35/48 × 35 = 3150/1680
3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
   40/70 = 40 × 24/70 × 24 = 960/1680
4. Add the two like fractions:
   3150/1680 + 960/1680 = 3150 + 960/1680 = 4110/1680
5. 4110/1680 simplified gives 137/56
6. So, 90/48 + 40/70 = 137/56
   In mixed form: 225/56

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