Answers

Add 90/70 and 40/25

1^st number: 1 20/70, 2^nd number: 1 15/25

90/70 + 40/25 is 101/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 25 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 70 × 5 = 350,
   90/70 = 90 × 5/70 × 5 = 450/350
3. Likewise, for the 2nd fraction, since 25 × 14 = 350,
   40/25 = 40 × 14/25 × 14 = 560/350
4. Add the two like fractions:
   450/350 + 560/350 = 450 + 560/350 = 1010/350
5. 1010/350 simplified gives 101/35
6. So, 90/70 + 40/25 = 101/35
   In mixed form: 231/35

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