Add 42/35 and 9/80
1st number: 1 7/35, 2nd number: 9/80
42/35 + 9/80 is 21/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
42/35 = 42 × 16/35 × 16 = 672/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
9/80 = 9 × 7/80 × 7 = 63/560 - Add the two like fractions:
672/560 + 63/560 = 672 + 63/560 = 735/560 - 735/560 simplified gives 21/16
- So, 42/35 + 9/80 = 21/16
In mixed form: 15/16
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