Add 42/8 and 72/70
1st number: 5 2/8, 2nd number: 1 2/70
42/8 + 72/70 is 879/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
42/8 = 42 × 35/8 × 35 = 1470/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Add the two like fractions:
1470/280 + 288/280 = 1470 + 288/280 = 1758/280 - 1758/280 simplified gives 879/140
- So, 42/8 + 72/70 = 879/140
In mixed form: 639/140
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