Add 98/80 and 42/70
1st number: 1 18/80, 2nd number: 42/70
98/80 + 42/70 is 73/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
42/70 = 42 × 8/70 × 8 = 336/560 - Add the two like fractions:
686/560 + 336/560 = 686 + 336/560 = 1022/560 - 1022/560 simplified gives 73/40
- So, 98/80 + 42/70 = 73/40
In mixed form: 133/40
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