Answers

Add 48/70 and 90/40

1^st number: 48/70, 2^nd number: 2 10/40

48/70 + 90/40 is 411/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   48/70 = 48 × 4/70 × 4 = 192/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
4. Add the two like fractions:
   192/280 + 630/280 = 192 + 630/280 = 822/280
5. 822/280 simplified gives 411/140
6. So, 48/70 + 90/40 = 411/140
   In mixed form: 2131/140

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