Answers

Add 90/60 and 2/70

1^st number: 1 30/60, 2^nd number: 2/70

90/60 + 2/70 is 107/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   90/60 = 90 × 7/60 × 7 = 630/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   2/70 = 2 × 6/70 × 6 = 12/420
4. Add the two like fractions:
   630/420 + 12/420 = 630 + 12/420 = 642/420
5. 642/420 simplified gives 107/70
6. So, 90/60 + 2/70 = 107/70
   In mixed form: 137/70

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