Add 7/40 and 42/35
1st number: 7/40, 2nd number: 1 7/35
7/40 + 42/35 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
42/35 = 42 × 8/35 × 8 = 336/280 - Add the two like fractions:
49/280 + 336/280 = 49 + 336/280 = 385/280 - 385/280 simplified gives 11/8
- So, 7/40 + 42/35 = 11/8
In mixed form: 13/8
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