Answers

Add 2/40 and 90/70

1^st number: 2/40, 2^nd number: 1 20/70

2/40 + 90/70 is 187/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   2/40 = 2 × 7/40 × 7 = 14/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   90/70 = 90 × 4/70 × 4 = 360/280
4. Add the two like fractions:
   14/280 + 360/280 = 14 + 360/280 = 374/280
5. 374/280 simplified gives 187/140
6. So, 2/40 + 90/70 = 187/140
   In mixed form: 147/140

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