Add 98/40 and 10/42
1st number: 2 18/40, 2nd number: 10/42
98/40 + 10/42 is 1129/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
98/40 = 98 × 21/40 × 21 = 2058/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
10/42 = 10 × 20/42 × 20 = 200/840 - Add the two like fractions:
2058/840 + 200/840 = 2058 + 200/840 = 2258/840 - 2258/840 simplified gives 1129/420
- So, 98/40 + 10/42 = 1129/420
In mixed form: 2289/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40+20/42 98/80+10/42 98/40+10/84 98/40+30/42 98/40+50/42 98/40+70/42